23187039 has 16 divisors (see below), whose sum is σ = 32062464. Its totient is φ = 14889600.

The previous prime is 23187029. The next prime is 23187061. The reversal of 23187039 is 93078132.

It is not a de Polignac number, because 23187039 - 2²³ = 14798431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23187029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25879 + ... + 26759.

It is an arithmetic number, because the mean of its divisors is an integer number (2003904).

Almost surely, 2^23187039 is an apocalyptic number.

23187039 is a deficient number, since it is larger than the sum of its proper divisors (8875425).

23187039 is a wasteful number, since it uses less digits than its factorization.

23187039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 23187039 is about 4815.2922029717. The cubic root of 23187039 is about 285.1555076233.

The spelling of 23187039 in words is "twenty-three million, one hundred eighty-seven thousand, thirty-nine".