23013923 has 2 divisors, whose sum is σ = 23013924. Its totient is φ = 23013922.

The previous prime is 23013917. The next prime is 23013943. The reversal of 23013923 is 32931032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23013923 - 2²⁴ = 6236707 is a prime.

It is not a weakly prime, because it can be changed into another prime (23013943) 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, 11506961 + 11506962.

It is an arithmetic number, because the mean of its divisors is an integer number (11506962).

Almost surely, 2^23013923 is an apocalyptic number.

23013923 is a deficient number, since it is larger than the sum of its proper divisors (1).

23013923 is an equidigital number, since it uses as much as digits as its factorization.

23013923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 23013923 is about 4797.2828767960. The cubic root of 23013923 is about 284.4440706997. Note that the first 3 decimals are identical.

Adding to 23013923 its reverse (32931032), we get a palindrome (55944955).

The spelling of 23013923 in words is "twenty-three million, thirteen thousand, nine hundred twenty-three".