23690040504 has 128 divisors (see below), whose sum is σ = 64459530240. Its totient is φ = 7212022272.

The previous prime is 23690040499. The next prime is 23690040511. The reversal of 23690040504 is 40504009632.

23690040504 is nontrivially palindromic in base 9.

It is a super-2 number, since 2×23690040504² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21673782 + ... + 21674874.

It is an arithmetic number, because the mean of its divisors is an integer number (503590080).

Almost surely, 2^23690040504 is an apocalyptic number.

23690040504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23690040504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32229765120).

23690040504 is an abundant number, since it is smaller than the sum of its proper divisors (40769489736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23690040504 is a wasteful number, since it uses less digits than its factorization.

23690040504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789 (or 1785 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 23690040504 in words is "twenty-three billion, six hundred ninety million, forty thousand, five hundred four".