23012772 has 12 divisors (see below), whose sum is σ = 53696496. Its totient is φ = 7670920.

The previous prime is 23012761. The next prime is 23012791. The reversal of 23012772 is 27721032.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 958854 + ... + 958877.

It is an arithmetic number, because the mean of its divisors is an integer number (4474708).

Almost surely, 2^23012772 is an apocalyptic number.

It is an amenable number.

23012772 is an abundant number, since it is smaller than the sum of its proper divisors (30683724).

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

23012772 is a wasteful number, since it uses less digits than its factorization.

23012772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917738 (or 1917736 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 23012772 is about 4797.1629115551. The cubic root of 23012772 is about 284.4393286343.

The spelling of 23012772 in words is "twenty-three million, twelve thousand, seven hundred seventy-two".