23247231 has 16 divisors (see below), whose sum is σ = 36094464. Its totient is φ = 13032864.

The previous prime is 23247229. The next prime is 23247233. The reversal of 23247231 is 13274232.

It is an interprime number because it is at equal distance from previous prime (23247229) and next prime (23247233).

It is not a de Polignac number, because 23247231 - 2¹ = 23247229 is a prime.

It is a super-2 number, since 2×23247231² = 1080867498334722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23247233) 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, 9331 + ... + 11556.

It is an arithmetic number, because the mean of its divisors is an integer number (2255904).

Almost surely, 2^23247231 is an apocalyptic number.

23247231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23247231 is a deficient number, since it is larger than the sum of its proper divisors (12847233).

23247231 is a wasteful number, since it uses less digits than its factorization.

23247231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20950.

The product of its digits is 2016, while the sum is 24.

The square root of 23247231 is about 4821.5382400226. The cubic root of 23247231 is about 285.4020426154.

The spelling of 23247231 in words is "twenty-three million, two hundred forty-seven thousand, two hundred thirty-one".