23142179522 has 90 divisors (see below), whose sum is σ = 44771046435. Its totient is φ = 8945438040.

The previous prime is 23142179519. The next prime is 23142179549. The reversal of 23142179522 is 22597124132.

It can be written as a sum of positive squares in only one way, i.e., 11571089761 + 11571089761 = 107569^2 + 107569^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=107569.

It is a super-2 number, since 2×23142179522² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 182221823 + ... + 182221949.

Almost surely, 2^23142179522 is an apocalyptic number.

23142179522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23142179522 is a deficient number, since it is larger than the sum of its proper divisors (21628866913).

23142179522 is an frugal number, since it uses more digits than its factorization.

23142179522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 147 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The spelling of 23142179522 in words is "twenty-three billion, one hundred forty-two million, one hundred seventy-nine thousand, five hundred twenty-two".