23233131 has 24 divisors (see below), whose sum is σ = 34529040. Its totient is φ = 15048000.

The previous prime is 23233127. The next prime is 23233141. The reversal of 23233131 is 13133232.

It is not a de Polignac number, because 23233131 - 2² = 23233127 is a prime.

It is a super-2 number, since 2×23233131² = 1079556752126322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23233141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55240 + ... + 55658.

It is an arithmetic number, because the mean of its divisors is an integer number (1438710).

Almost surely, 2^23233131 is an apocalyptic number.

23233131 is a deficient number, since it is larger than the sum of its proper divisors (11295909).

23233131 is a wasteful number, since it uses less digits than its factorization.

23233131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587 (or 584 counting only the distinct ones).

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

The square root of 23233131 is about 4820.0758292790. The cubic root of 23233131 is about 285.3443298974.

Adding to 23233131 its reverse (13133232), we get a palindrome (36366363).

The spelling of 23233131 in words is "twenty-three million, two hundred thirty-three thousand, one hundred thirty-one".