23597904681 has 12 divisors (see below), whose sum is σ = 36707851908. Its totient is φ = 14521787424.

The previous prime is 23597904647. The next prime is 23597904703. The reversal of 23597904681 is 18640979532.

23597904681 is a `hidden beast` number, since 2 + 3 + 5 + 97 + 90 + 468 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7376061456 + 16221843225 = 85884^2 + 127365^2 .

It is not a de Polignac number, because 23597904681 - 2¹¹ = 23597902633 is a prime.

It is a super-2 number, since 2×23597904681² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23597904641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100845630 + ... + 100845863.

It is an arithmetic number, because the mean of its divisors is an integer number (3058987659).

It is a 2-persistent number, because it is pandigital, and so is 2⋅23597904681 = 47195809362, but 3⋅23597904681 = 70793714043 is not.

Almost surely, 2^23597904681 is an apocalyptic number.

It is an amenable number.

23597904681 is a deficient number, since it is larger than the sum of its proper divisors (13109947227).

23597904681 is a wasteful number, since it uses less digits than its factorization.

23597904681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201691512 (or 201691509 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 23597904681 in words is "twenty-three billion, five hundred ninety-seven million, nine hundred four thousand, six hundred eighty-one".