123175857152 has 44 divisors (see below), whose sum is σ = 260715663720. Its totient is φ = 57965101056.

The previous prime is 123175857149. The next prime is 123175857163. The reversal of 123175857152 is 251758571321.

It is a super-2 number, since 2×123175857152² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 123175857097 and 123175857106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3520502 + ... + 3555317.

Almost surely, 2^123175857152 is an apocalyptic number.

It is an amenable number.

123175857152 is an abundant number, since it is smaller than the sum of its proper divisors (137539806568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123175857152 is an equidigital number, since it uses as much as digits as its factorization.

123175857152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7075856 (or 7075838 counting only the distinct ones).

The product of its digits is 588000, while the sum is 47.

The spelling of 123175857152 in words is "one hundred twenty-three billion, one hundred seventy-five million, eight hundred fifty-seven thousand, one hundred fifty-two".