23326131 has 4 divisors (see below), whose sum is σ = 31101512. Its totient is φ = 15550752.

The previous prime is 23326123. The next prime is 23326133. The reversal of 23326131 is 13162332.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23326131 - 2³ = 23326123 is a prime.

It is a super-2 number, since 2×23326131² = 1088216774858322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23326098 and 23326107.

It is not an unprimeable number, because it can be changed into a prime (23326133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3887686 + ... + 3887691.

It is an arithmetic number, because the mean of its divisors is an integer number (7775378).

Almost surely, 2^23326131 is an apocalyptic number.

23326131 is a deficient number, since it is larger than the sum of its proper divisors (7775381).

23326131 is an equidigital number, since it uses as much as digits as its factorization.

23326131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7775380.

The product of its digits is 648, while the sum is 21.

The square root of 23326131 is about 4829.7133455310. The cubic root of 23326131 is about 285.7245583568.

Adding to 23326131 its reverse (13162332), we get a palindrome (36488463).

The spelling of 23326131 in words is "twenty-three million, three hundred twenty-six thousand, one hundred thirty-one".