23621045436 has 36 divisors (see below), whose sum is σ = 59726291352. Its totient is φ = 7871369184.

The previous prime is 23621045411. The next prime is 23621045449. The reversal of 23621045436 is 63454012632.

23621045436 is a `hidden beast` number, since 2 + 3 + 6 + 2 + 104 + 543 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a self number, because there is not a number n which added to its sum of digits gives 23621045436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30186 + ... + 219438.

Almost surely, 2^23621045436 is an apocalyptic number.

It is an amenable number.

23621045436 is an abundant number, since it is smaller than the sum of its proper divisors (36105245916).

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

23621045436 is a wasteful number, since it uses less digits than its factorization.

23621045436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192730 (or 192725 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 23621045436 in words is "twenty-three billion, six hundred twenty-one million, forty-five thousand, four hundred thirty-six".