23116251 has 16 divisors (see below), whose sum is σ = 32030208. Its totient is φ = 14817600.

The previous prime is 23116213. The next prime is 23116267. The reversal of 23116251 is 15261132.

It is not a de Polignac number, because 23116251 - 2⁷ = 23116123 is a prime.

It is a super-2 number, since 2×23116251² = 1068722120590002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23116211) 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, 7410 + ... + 10056.

It is an arithmetic number, because the mean of its divisors is an integer number (2001888).

Almost surely, 2^23116251 is an apocalyptic number.

23116251 is a deficient number, since it is larger than the sum of its proper divisors (8913957).

23116251 is a wasteful number, since it uses less digits than its factorization.

23116251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2762.

The product of its digits is 360, while the sum is 21.

The square root of 23116251 is about 4807.9362516573. The cubic root of 23116251 is about 284.8650268854.

Adding to 23116251 its reverse (15261132), we get a palindrome (38377383).

The spelling of 23116251 in words is "twenty-three million, one hundred sixteen thousand, two hundred fifty-one".