123167872 has 32 divisors (see below), whose sum is σ = 253842300. Its totient is φ = 59458560.

The previous prime is 123167851. The next prime is 123167881. The reversal of 123167872 is 278761321.

It can be written as a sum of positive squares in 2 ways, for example, as 123121216 + 46656 = 11096^2 + 216^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12879 + ... + 20302.

Almost surely, 2^123167872 is an apocalyptic number.

It is an amenable number.

123167872 is an abundant number, since it is smaller than the sum of its proper divisors (130674428).

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

123167872 is an equidigital number, since it uses as much as digits as its factorization.

123167872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33224 (or 33212 counting only the distinct ones).

The product of its digits is 28224, while the sum is 37.

The square root of 123167872 is about 11098.1021801027. The cubic root of 123167872 is about 497.5451296148.

The spelling of 123167872 in words is "one hundred twenty-three million, one hundred sixty-seven thousand, eight hundred seventy-two".