23173307624397 has 32 divisors (see below), whose sum is σ = 35373853025280. Its totient is φ = 13218588552960.

The previous prime is 23173307624393. The next prime is 23173307624447. The reversal of 23173307624397 is 79342670337132.

It is not a de Polignac number, because 23173307624397 - 2² = 23173307624393 is a prime.

It is a super-2 number, since 2×23173307624397² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23173307624393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190856254 + ... + 190977632.

It is an arithmetic number, because the mean of its divisors is an integer number (1105432907040).

Almost surely, 2^{23173307624397} is an apocalyptic number.

It is an amenable number.

23173307624397 is a deficient number, since it is larger than the sum of its proper divisors (12200545400883).

23173307624397 is a wasteful number, since it uses less digits than its factorization.

23173307624397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137313.

The product of its (nonzero) digits is 24004512, while the sum is 57.

The spelling of 23173307624397 in words is "twenty-three trillion, one hundred seventy-three billion, three hundred seven million, six hundred twenty-four thousand, three hundred ninety-seven".