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23204404223 = 711133731879
BaseRepresentation
bin10101100111000101…
…110001101111111111
32012220011011212110122
4111213011301233333
5340010311413343
614354314525155
71451012116160
oct254705615777
965804155418
1023204404223
119928310380
1245b71367bb
13225a529000
1411a1ad9767
1590c239068
hex567171bff

23204404223 has 64 divisors (see below), whose sum is σ = 31786137600. Its totient is φ = 16453082880.

The previous prime is 23204404219. The next prime is 23204404229. The reversal of 23204404223 is 32240440232.

It is a happy number.

It is not a de Polignac number, because 23204404223 - 22 = 23204404219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23204404192 and 23204404201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23204404229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12348398 + ... + 12350276.

It is an arithmetic number, because the mean of its divisors is an integer number (496658400).

Almost surely, 223204404223 is an apocalyptic number.

23204404223 is a deficient number, since it is larger than the sum of its proper divisors (8581733377).

23204404223 is a wasteful number, since it uses less digits than its factorization.

23204404223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009 (or 1983 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 23204404223 its reverse (32240440232), we get a palindrome (55444844455).

The spelling of 23204404223 in words is "twenty-three billion, two hundred four million, four hundred four thousand, two hundred twenty-three".

Divisors: 1 7 11 13 73 77 91 143 169 511 803 949 1001 1183 1859 1879 2197 5621 6643 10439 12337 13013 13153 15379 20669 24167 24427 73073 86359 135707 137167 144683 160381 169169 170989 268697 317551 949949 960169 1122667 1508837 1764191 1783171 1880879 2222857 3493061 4128163 10561859 12349337 12482197 19614881 23181223 24451427 28897141 45409793 137304167 162268561 254993453 301355899 317868551 1784954171 2109491293 3314914889 23204404223