23691579755 has 24 divisors (see below), whose sum is σ = 30352214592. Its totient is φ = 17743387904.

The previous prime is 23691579719. The next prime is 23691579757. The reversal of 23691579755 is 55797519632.

It is not a de Polignac number, because 23691579755 - 2¹⁰ = 23691578731 is a prime.

It is a super-2 number, since 2×23691579755² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23691579694 and 23691579703.

It is not an unprimeable number, because it can be changed into a prime (23691579757) 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, 29027 + ... + 219603.

It is an arithmetic number, because the mean of its divisors is an integer number (1264675608).

Almost surely, 2^23691579755 is an apocalyptic number.

23691579755 is a deficient number, since it is larger than the sum of its proper divisors (6660634837).

23691579755 is a wasteful number, since it uses less digits than its factorization.

23691579755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190675 (or 190652 counting only the distinct ones).

The product of its digits is 17860500, while the sum is 59.

The spelling of 23691579755 in words is "twenty-three billion, six hundred ninety-one million, five hundred seventy-nine thousand, seven hundred fifty-five".