23923903 has 2 divisors, whose sum is σ = 23923904. Its totient is φ = 23923902.

The previous prime is 23923901. The next prime is 23923931. The reversal of 23923903 is 30932932.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23923903 - 2¹ = 23923901 is a prime.

Together with 23923901, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23923901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11961951 + 11961952.

It is an arithmetic number, because the mean of its divisors is an integer number (11961952).

Almost surely, 2^23923903 is an apocalyptic number.

23923903 is a deficient number, since it is larger than the sum of its proper divisors (1).

23923903 is an equidigital number, since it uses as much as digits as its factorization.

23923903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 31.

The square root of 23923903 is about 4891.2067018273. The cubic root of 23923903 is about 288.1447277662.

It can be divided in two parts, 239 and 23903, that added together give a palindrome (24142).

The spelling of 23923903 in words is "twenty-three million, nine hundred twenty-three thousand, nine hundred three".