23272572178 has 16 divisors (see below), whose sum is σ = 36992609280. Its totient is φ = 10942824256.

The previous prime is 23272572173. The next prime is 23272572179. The reversal of 23272572178 is 87127527232.

It is a happy number.

It is a super-2 number, since 2×23272572178² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23272572173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238258 + ... + 321421.

It is an arithmetic number, because the mean of its divisors is an integer number (2312038080).

Almost surely, 2^23272572178 is an apocalyptic number.

23272572178 is a deficient number, since it is larger than the sum of its proper divisors (13720037102).

23272572178 is a wasteful number, since it uses less digits than its factorization.

23272572178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560921.

The product of its digits is 658560, while the sum is 46.

The spelling of 23272572178 in words is "twenty-three billion, two hundred seventy-two million, five hundred seventy-two thousand, one hundred seventy-eight".