23813393 has 4 divisors (see below), whose sum is σ = 23843568. Its totient is φ = 23783220.

The previous prime is 23813381. The next prime is 23813401. The reversal of 23813393 is 39331832.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23813393 - 2¹⁸ = 23551249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23813093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13871 + ... + 15492.

It is an arithmetic number, because the mean of its divisors is an integer number (5960892).

Almost surely, 2^23813393 is an apocalyptic number.

It is an amenable number.

23813393 is a deficient number, since it is larger than the sum of its proper divisors (30175).

23813393 is an equidigital number, since it uses as much as digits as its factorization.

23813393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30174.

The product of its digits is 11664, while the sum is 32.

The square root of 23813393 is about 4879.8968226798. The cubic root of 23813393 is about 287.7003739899.

It can be divided in two parts, 238 and 13393, that added together give a palindrome (13631).

The spelling of 23813393 in words is "twenty-three million, eight hundred thirteen thousand, three hundred ninety-three".