23730431051 has 4 divisors (see below), whose sum is σ = 23748423600. Its totient is φ = 23712438504.

The previous prime is 23730431017. The next prime is 23730431059. The reversal of 23730431051 is 15013403732.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23730431051 - 2¹⁰ = 23730430027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23730431059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8994296 + ... + 8996933.

It is an arithmetic number, because the mean of its divisors is an integer number (5937105900).

Almost surely, 2^23730431051 is an apocalyptic number.

23730431051 is a deficient number, since it is larger than the sum of its proper divisors (17992549).

23730431051 is a wasteful number, since it uses less digits than its factorization.

23730431051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17992548.

The product of its (nonzero) digits is 7560, while the sum is 29.

Adding to 23730431051 its reverse (15013403732), we get a palindrome (38743834783).

The spelling of 23730431051 in words is "twenty-three billion, seven hundred thirty million, four hundred thirty-one thousand, fifty-one".