23687042835 has 16 divisors (see below), whose sum is σ = 39893967360. Its totient is φ = 11968189920.

The previous prime is 23687042831. The next prime is 23687042887. The reversal of 23687042835 is 53824078632.

It is a happy number.

It is not a de Polignac number, because 23687042835 - 2² = 23687042831 is a prime.

It is a super-2 number, since 2×23687042835² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23687042831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41555931 + ... + 41556500.

It is an arithmetic number, because the mean of its divisors is an integer number (2493372960).

Almost surely, 2^23687042835 is an apocalyptic number.

23687042835 is a deficient number, since it is larger than the sum of its proper divisors (16206924525).

23687042835 is a wasteful number, since it uses less digits than its factorization.

23687042835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83112458.

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 23687042835 in words is "twenty-three billion, six hundred eighty-seven million, forty-two thousand, eight hundred thirty-five".