23012428 has 24 divisors (see below), whose sum is σ = 41867280. Its totient is φ = 11054400.

The previous prime is 23012411. The next prime is 23012453. The reversal of 23012428 is 82421032.

It is a junction number, because it is equal to n+sod(n) for n = 23012399 and 23012408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32478 + ... + 33178.

It is an arithmetic number, because the mean of its divisors is an integer number (1744470).

Almost surely, 2^23012428 is an apocalyptic number.

It is an amenable number.

23012428 is a deficient number, since it is larger than the sum of its proper divisors (18854852).

23012428 is a wasteful number, since it uses less digits than its factorization.

23012428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017 (or 1015 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 23012428 is about 4797.1270568956. The cubic root of 23012428 is about 284.4379113399.

The spelling of 23012428 in words is "twenty-three million, twelve thousand, four hundred twenty-eight".