23942903 has 2 divisors, whose sum is σ = 23942904. Its totient is φ = 23942902.

The previous prime is 23942899. The next prime is 23942911. The reversal of 23942903 is 30924932.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23942903 - 2² = 23942899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23942903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23942923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11971451 + 11971452.

It is an arithmetic number, because the mean of its divisors is an integer number (11971452).

Almost surely, 2^23942903 is an apocalyptic number.

23942903 is a deficient number, since it is larger than the sum of its proper divisors (1).

23942903 is an equidigital number, since it uses as much as digits as its factorization.

23942903 is an odious number, because the sum of its binary digits is odd.

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

The square root of 23942903 is about 4893.1485773477. The cubic root of 23942903 is about 288.2209876355.

The spelling of 23942903 in words is "twenty-three million, nine hundred forty-two thousand, nine hundred three".