23145174237 has 16 divisors (see below), whose sum is σ = 31113248768. Its totient is φ = 15304120560.

The previous prime is 23145174211. The next prime is 23145174257. The reversal of 23145174237 is 73247154132.

It is not a de Polignac number, because 23145174237 - 2³⁴ = 5965305053 is a prime.

It is a super-2 number, since 2×23145174237² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23145174195 and 23145174204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23145174257) 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, 117468 + ... + 245130.

It is an arithmetic number, because the mean of its divisors is an integer number (1944578048).

Almost surely, 2^23145174237 is an apocalyptic number.

It is an amenable number.

23145174237 is a deficient number, since it is larger than the sum of its proper divisors (7968074531).

23145174237 is a wasteful number, since it uses less digits than its factorization.

23145174237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128160.

The product of its digits is 141120, while the sum is 39.

The spelling of 23145174237 in words is "twenty-three billion, one hundred forty-five million, one hundred seventy-four thousand, two hundred thirty-seven".