23258653977 has 32 divisors (see below), whose sum is σ = 35169232000. Its totient is φ = 13554127872.

The previous prime is 23258653973. The next prime is 23258654011. The reversal of 23258653977 is 77935685232.

It is not a de Polignac number, because 23258653977 - 2² = 23258653973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23258653973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2405649 + ... + 2415297.

It is an arithmetic number, because the mean of its divisors is an integer number (1099038500).

Almost surely, 2^23258653977 is an apocalyptic number.

It is an amenable number.

23258653977 is a deficient number, since it is larger than the sum of its proper divisors (11910578023).

23258653977 is a wasteful number, since it uses less digits than its factorization.

23258653977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12937.

The product of its digits is 19051200, while the sum is 57.

The spelling of 23258653977 in words is "twenty-three billion, two hundred fifty-eight million, six hundred fifty-three thousand, nine hundred seventy-seven".