23557813677 has 24 divisors (see below), whose sum is σ = 34134609600. Its totient is φ = 15656065728.

The previous prime is 23557813607. The next prime is 23557813739. The reversal of 23557813677 is 77631875532.

It is a happy number.

23557813677 is a `hidden beast` number, since 2 + 3 + 5 + 578 + 1 + 3 + 67 + 7 = 666.

It is not a de Polignac number, because 23557813677 - 2⁸ = 23557813421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23557813607) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4293778 + ... + 4299260.

It is an arithmetic number, because the mean of its divisors is an integer number (1422275400).

Almost surely, 2^23557813677 is an apocalyptic number.

It is an amenable number.

23557813677 is a deficient number, since it is larger than the sum of its proper divisors (10576795923).

23557813677 is a wasteful number, since it uses less digits than its factorization.

23557813677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6897 (or 6894 counting only the distinct ones).

The product of its digits is 7408800, while the sum is 54.

The spelling of 23557813677 in words is "twenty-three billion, five hundred fifty-seven million, eight hundred thirteen thousand, six hundred seventy-seven".