23631229404 has 72 divisors (see below), whose sum is σ = 62947794000. Its totient is φ = 7454260224.

The previous prime is 23631229399. The next prime is 23631229417. The reversal of 23631229404 is 40492213632.

23631229404 is a `hidden beast` number, since 2 + 363 + 1 + 2 + 294 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 616842 + ... + 654030.

Almost surely, 2^23631229404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23631229404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31473897000).

23631229404 is an abundant number, since it is smaller than the sum of its proper divisors (39316564596).

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

23631229404 is a wasteful number, since it uses less digits than its factorization.

23631229404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38147 (or 38142 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 23631229404 in words is "twenty-three billion, six hundred thirty-one million, two hundred twenty-nine thousand, four hundred four".