23323131 has 12 divisors (see below), whose sum is σ = 36280608. Its totient is φ = 14352624.

The previous prime is 23323121. The next prime is 23323147. The reversal of 23323131 is 13132332.

It is not a de Polignac number, because 23323131 - 2⁹ = 23322619 is a prime.

It is a super-2 number, since 2×23323131² = 1087936879286322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23323121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99555 + ... + 99788.

It is an arithmetic number, because the mean of its divisors is an integer number (3023384).

Almost surely, 2^23323131 is an apocalyptic number.

23323131 is a deficient number, since it is larger than the sum of its proper divisors (12957477).

23323131 is a wasteful number, since it uses less digits than its factorization.

23323131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199362 (or 199359 counting only the distinct ones).

The product of its digits is 324, while the sum is 18.

The square root of 23323131 is about 4829.4027581058. The cubic root of 23323131 is about 285.7123087125.

Adding to 23323131 its reverse (13132332), we get a palindrome (36455463).

The spelling of 23323131 in words is "twenty-three million, three hundred twenty-three thousand, one hundred thirty-one".