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23212210023 = 3217478338891
BaseRepresentation
bin10101100111100011…
…100011011101100111
32012220200212110000100
4111213203203131213
5340014311210043
614355154115143
71451135346462
oct254743433547
965820773010
1023212210023
119931761a52
1245b987bab3
13225c02cc22
1411a2b6c2d9
1590cc7bcd3
hex5678e3767

23212210023 has 48 divisors (see below), whose sum is σ = 36694135296. Its totient is φ = 14082535680.

The previous prime is 23212210009. The next prime is 23212210037. The reversal of 23212210023 is 32001221232.

It is an interprime number because it is at equal distance from previous prime (23212210009) and next prime (23212210037).

It is a de Polignac number, because none of the positive numbers 2k-23212210023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23212209978 and 23212210005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23212210093) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 577408 + ... + 616298.

It is an arithmetic number, because the mean of its divisors is an integer number (764461152).

Almost surely, 223212210023 is an apocalyptic number.

23212210023 is a deficient number, since it is larger than the sum of its proper divisors (13481925273).

23212210023 is a wasteful number, since it uses less digits than its factorization.

23212210023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39044 (or 39041 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 23212210023 its reverse (32001221232), we get a palindrome (55213431255).

The spelling of 23212210023 in words is "twenty-three billion, two hundred twelve million, two hundred ten thousand, twenty-three".

Divisors: 1 3 9 17 47 51 83 141 153 249 423 747 799 1411 2397 3901 4233 7191 11703 12699 35109 38891 66317 116673 198951 350019 596853 661147 1827877 1983441 3227953 5483631 5950323 9683859 16450893 29051577 31073909 54875201 93221727 151713791 164625603 279665181 455141373 493876809 1365424119 2579134447 7737403341 23212210023