23012439 has 32 divisors (see below), whose sum is σ = 34003200. Its totient is φ = 13789440.

The previous prime is 23012411. The next prime is 23012453. The reversal of 23012439 is 93421032.

It is not a de Polignac number, because 23012439 - 2¹² = 23008343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23012239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100377 + ... + 100605.

It is an arithmetic number, because the mean of its divisors is an integer number (1062600).

Almost surely, 2^23012439 is an apocalyptic number.

23012439 is a deficient number, since it is larger than the sum of its proper divisors (10990761).

23012439 is a wasteful number, since it uses less digits than its factorization.

23012439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 23012439 is about 4797.1282034150. The cubic root of 23012439 is about 284.4379566606.

The spelling of 23012439 in words is "twenty-three million, twelve thousand, four hundred thirty-nine".