23621045437 has 32 divisors (see below), whose sum is σ = 27611207424. Its totient is φ = 19969152000.

The previous prime is 23621045411. The next prime is 23621045449. The reversal of 23621045437 is 73454012632.

It is not a de Polignac number, because 23621045437 - 2¹¹ = 23621043389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23621045396 and 23621045405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23621045467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12218923 + ... + 12220855.

It is an arithmetic number, because the mean of its divisors is an integer number (862850232).

Almost surely, 2^23621045437 is an apocalyptic number.

It is an amenable number.

23621045437 is a deficient number, since it is larger than the sum of its proper divisors (3990161987).

23621045437 is a wasteful number, since it uses less digits than its factorization.

23621045437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2709.

The product of its (nonzero) digits is 120960, while the sum is 37.

The spelling of 23621045437 in words is "twenty-three billion, six hundred twenty-one million, forty-five thousand, four hundred thirty-seven".