23274716637557 has 24 divisors (see below), whose sum is σ = 29623648204800. Its totient is φ = 18082326245760.

The previous prime is 23274716637551. The next prime is 23274716637563. The reversal of 23274716637557 is 75573661747232.

It is an interprime number because it is at equal distance from previous prime (23274716637551) and next prime (23274716637563).

It is a de Polignac number, because none of the positive numbers 2^k-23274716637557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23274716637493 and 23274716637502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23274716637551) 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 23 ways as a sum of consecutive naturals, for example, 63885557 + ... + 64248842.

It is an arithmetic number, because the mean of its divisors is an integer number (1234318675200).

Almost surely, 2^{23274716637557} is an apocalyptic number.

It is an amenable number.

23274716637557 is a deficient number, since it is larger than the sum of its proper divisors (6348931567243).

23274716637557 is a wasteful number, since it uses less digits than its factorization.

23274716637557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128134761 (or 128134754 counting only the distinct ones).

The product of its digits is 311169600, while the sum is 65.

The spelling of 23274716637557 in words is "twenty-three trillion, two hundred seventy-four billion, seven hundred sixteen million, six hundred thirty-seven thousand, five hundred fifty-seven".