23132313 has 24 divisors (see below), whose sum is σ = 34251048. Its totient is φ = 15040512.

The previous prime is 23132311. The next prime is 23132371. The reversal of 23132313 is 31323132.

It can be written as a sum of positive squares in 4 ways, for example, as 11923209 + 11209104 = 3453^2 + 3348^2 .

It is not a de Polignac number, because 23132313 - 2¹ = 23132311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23132311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89881 + ... + 90137.

It is an arithmetic number, because the mean of its divisors is an integer number (1427127).

Almost surely, 2^23132313 is an apocalyptic number.

It is an amenable number.

23132313 is a deficient number, since it is larger than the sum of its proper divisors (11118735).

23132313 is a wasteful number, since it uses less digits than its factorization.

23132313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 470 counting only the distinct ones).

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

The square root of 23132313 is about 4809.6063248461. The cubic root of 23132313 is about 284.9309897547.

Adding to 23132313 its reverse (31323132), we get a palindrome (54455445).

It can be divided in two parts, 2 and 3132313, that multiplied together give a palindrome (6264626).

The spelling of 23132313 in words is "twenty-three million, one hundred thirty-two thousand, three hundred thirteen".