23929903 has 2 divisors, whose sum is σ = 23929904. Its totient is φ = 23929902.

The previous prime is 23929889. The next prime is 23929933. The reversal of 23929903 is 30992932.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23929903 - 2⁹ = 23929391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23929933) 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, 11964951 + 11964952.

It is an arithmetic number, because the mean of its divisors is an integer number (11964952).

Almost surely, 2^23929903 is an apocalyptic number.

23929903 is a deficient number, since it is larger than the sum of its proper divisors (1).

23929903 is an equidigital number, since it uses as much as digits as its factorization.

23929903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 23929903 is about 4891.8200089537. The cubic root of 23929903 is about 288.1688141908.

The spelling of 23929903 in words is "twenty-three million, nine hundred twenty-nine thousand, nine hundred three".