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23454220223 = 711329651353
BaseRepresentation
bin10101110101111110…
…101111111110111111
32020112120020211121002
4111311332233332333
5341013240021343
614435201200515
71460134403540
oct256576577677
966476224532
1023454220223
119a46328885
12466693013b
13229a205a25
1411c6d684c7
159241338b8
hex575faffbf

23454220223 has 8 divisors (see below), whose sum is σ = 27042034848. Its totient is φ = 19925708544.

The previous prime is 23454220213. The next prime is 23454220247. The reversal of 23454220223 is 32202245432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23454220223 - 28 = 23454219967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23454220213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14824886 + ... + 14826467.

It is an arithmetic number, because the mean of its divisors is an integer number (3380254356).

Almost surely, 223454220223 is an apocalyptic number.

23454220223 is a deficient number, since it is larger than the sum of its proper divisors (3587814625).

23454220223 is a wasteful number, since it uses less digits than its factorization.

23454220223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29651473.

The product of its (nonzero) digits is 23040, while the sum is 29.

Adding to 23454220223 its reverse (32202245432), we get a palindrome (55656465655).

The spelling of 23454220223 in words is "twenty-three billion, four hundred fifty-four million, two hundred twenty thousand, two hundred twenty-three".

Divisors: 1 7 113 791 29651353 207559471 3350602889 23454220223