23513313 has 8 divisors (see below), whose sum is σ = 31380448. Its totient is φ = 15660864.

The previous prime is 23513311. The next prime is 23513333. The reversal of 23513313 is 31331532.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23513313 - 2¹ = 23513311 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23513313.

It is not an unprimeable number, because it can be changed into a prime (23513311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 870 + ... + 6912.

It is an arithmetic number, because the mean of its divisors is an integer number (3922556).

Almost surely, 2^23513313 is an apocalyptic number.

It is an amenable number.

23513313 is a deficient number, since it is larger than the sum of its proper divisors (7867135).

23513313 is a wasteful number, since it uses less digits than its factorization.

23513313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7343.

The product of its digits is 810, while the sum is 21.

The square root of 23513313 is about 4849.0527941032. The cubic root of 23513313 is about 286.4867946485.

Adding to 23513313 its reverse (31331532), we get a palindrome (54844845).

The spelling of 23513313 in words is "twenty-three million, five hundred thirteen thousand, three hundred thirteen".