123172576 has 12 divisors (see below), whose sum is σ = 242496072. Its totient is φ = 61586272.

The previous prime is 123172561. The next prime is 123172591. The reversal of 123172576 is 675271321.

It is an interprime number because it is at equal distance from previous prime (123172561) and next prime (123172591).

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1924540 + ... + 1924603.

It is an arithmetic number, because the mean of its divisors is an integer number (20208006).

Almost surely, 2^123172576 is an apocalyptic number.

123172576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

123172576 is a deficient number, since it is larger than the sum of its proper divisors (119323496).

123172576 is an equidigital number, since it uses as much as digits as its factorization.

123172576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3849153 (or 3849145 counting only the distinct ones).

The product of its digits is 17640, while the sum is 34.

The square root of 123172576 is about 11098.3141062055. The cubic root of 123172576 is about 497.5514635785.

The spelling of 123172576 in words is "one hundred twenty-three million, one hundred seventy-two thousand, five hundred seventy-six".