23171604644371 has 16 divisors (see below), whose sum is σ = 24212329401600. Its totient is φ = 22153044738528.

The previous prime is 23171604644369. The next prime is 23171604644381. The reversal of 23171604644371 is 17344640617132.

It is a cyclic number.

It is not a de Polignac number, because 23171604644371 - 2¹ = 23171604644369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23171604644381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2321106 + ... + 7192408.

It is an arithmetic number, because the mean of its divisors is an integer number (1513270587600).

Almost surely, 2^{23171604644371} is an apocalyptic number.

23171604644371 is a deficient number, since it is larger than the sum of its proper divisors (1040724757229).

23171604644371 is a wasteful number, since it uses less digits than its factorization.

23171604644371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4873578.

The product of its (nonzero) digits is 2032128, while the sum is 49.

The spelling of 23171604644371 in words is "twenty-three trillion, one hundred seventy-one billion, six hundred four million, six hundred forty-four thousand, three hundred seventy-one".