23137738621 has 8 divisors (see below), whose sum is σ = 23377435488. Its totient is φ = 22898250000.

The previous prime is 23137738601. The next prime is 23137738627. The reversal of 23137738621 is 12683773132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23137738621 - 2⁷ = 23137738493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23137738627) 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 7 ways as a sum of consecutive naturals, for example, 176466 + ... + 278236.

It is an arithmetic number, because the mean of its divisors is an integer number (2922179436).

Almost surely, 2^23137738621 is an apocalyptic number.

It is an amenable number.

23137738621 is a deficient number, since it is larger than the sum of its proper divisors (239696867).

23137738621 is a wasteful number, since it uses less digits than its factorization.

23137738621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104123.

The product of its digits is 254016, while the sum is 43.

The spelling of 23137738621 in words is "twenty-three billion, one hundred thirty-seven million, seven hundred thirty-eight thousand, six hundred twenty-one".