23036439 has 16 divisors (see below), whose sum is σ = 31564800. Its totient is φ = 14937120.

The previous prime is 23036437. The next prime is 23036473. The reversal of 23036439 is 93463032.

It is not a de Polignac number, because 23036439 - 2¹ = 23036437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23036437) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 27649 + ... + 28469.

It is an arithmetic number, because the mean of its divisors is an integer number (1972800).

Almost surely, 2^23036439 is an apocalyptic number.

23036439 is a deficient number, since it is larger than the sum of its proper divisors (8528361).

23036439 is a wasteful number, since it uses less digits than its factorization.

23036439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070.

The product of its (nonzero) digits is 11664, while the sum is 30.

The square root of 23036439 is about 4799.6290481661. The cubic root of 23036439 is about 284.5368037693.

The spelling of 23036439 in words is "twenty-three million, thirty-six thousand, four hundred thirty-nine".