23112072 has 48 divisors (see below), whose sum is σ = 64759500. Its totient is φ = 7437696.

The previous prime is 23112053. The next prime is 23112073. The reversal of 23112072 is 27021132.

It can be written as a sum of positive squares in 2 ways, for example, as 21958596 + 1153476 = 4686^2 + 1074^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (23112073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3447 + ... + 7622.

Almost surely, 2^23112072 is an apocalyptic number.

It is an amenable number.

23112072 is an abundant number, since it is smaller than the sum of its proper divisors (41647428).

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

23112072 is a wasteful number, since it uses less digits than its factorization.

23112072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11110 (or 11103 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 23112072 is about 4807.5016380652. The cubic root of 23112072 is about 284.8478597030.

The spelling of 23112072 in words is "twenty-three million, one hundred twelve thousand, seventy-two".