23031459 has 20 divisors (see below), whose sum is σ = 37534200. Its totient is φ = 13957920.

The previous prime is 23031409. The next prime is 23031461. The reversal of 23031459 is 95413032.

It is not a de Polignac number, because 23031459 - 2⁹ = 23030947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (23031409) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12034 + ... + 13815.

It is an arithmetic number, because the mean of its divisors is an integer number (1876710).

Almost surely, 2^23031459 is an apocalyptic number.

23031459 is a deficient number, since it is larger than the sum of its proper divisors (14502741).

23031459 is a wasteful number, since it uses less digits than its factorization.

23031459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25872 (or 25863 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 23031459 is about 4799.1102300322. The cubic root of 23031459 is about 284.5162986411.

The spelling of 23031459 in words is "twenty-three million, thirty-one thousand, four hundred fifty-nine".