23313929 has 2 divisors, whose sum is σ = 23313930. Its totient is φ = 23313928.

The previous prime is 23313911. The next prime is 23313943. The reversal of 23313929 is 92931332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12588304 + 10725625 = 3548^2 + 3275^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23313929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23313895 and 23313904.

It is not a weakly prime, because it can be changed into another prime (23313949) 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 as a sum of consecutive naturals, namely, 11656964 + 11656965.

It is an arithmetic number, because the mean of its divisors is an integer number (11656965).

Almost surely, 2^23313929 is an apocalyptic number.

It is an amenable number.

23313929 is a deficient number, since it is larger than the sum of its proper divisors (1).

23313929 is an equidigital number, since it uses as much as digits as its factorization.

23313929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8748, while the sum is 32.

The square root of 23313929 is about 4828.4499583200. The cubic root of 23313929 is about 285.6747284164.

It can be divided in two parts, 23313 and 929, that added together give a palindrome (24242).

The spelling of 23313929 in words is "twenty-three million, three hundred thirteen thousand, nine hundred twenty-nine".