23938403 has 2 divisors, whose sum is σ = 23938404. Its totient is φ = 23938402.

The previous prime is 23938373. The next prime is 23938429. The reversal of 23938403 is 30483932.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23938403 - 2¹⁰ = 23937379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23938403.

It is not a weakly prime, because it can be changed into another prime (23938433) 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, 11969201 + 11969202.

It is an arithmetic number, because the mean of its divisors is an integer number (11969202).

Almost surely, 2^23938403 is an apocalyptic number.

23938403 is a deficient number, since it is larger than the sum of its proper divisors (1).

23938403 is an equidigital number, since it uses as much as digits as its factorization.

23938403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 23938403 is about 4892.6887291141. The cubic root of 23938403 is about 288.2029297346.

The spelling of 23938403 in words is "twenty-three million, nine hundred thirty-eight thousand, four hundred three".