23487903 has 6 divisors (see below), whose sum is σ = 33926984. Its totient is φ = 15658596.

The previous prime is 23487869. The next prime is 23487923. The reversal of 23487903 is 30978432.

It is not a de Polignac number, because 23487903 - 2⁹ = 23487391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23487923) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1304875 + ... + 1304892.

Almost surely, 2^23487903 is an apocalyptic number.

23487903 is a deficient number, since it is larger than the sum of its proper divisors (10439081).

23487903 is a wasteful number, since it uses less digits than its factorization.

23487903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2609773 (or 2609770 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 23487903 is about 4846.4319865237. The cubic root of 23487903 is about 286.3835587596.

The spelling of 23487903 in words is "twenty-three million, four hundred eighty-seven thousand, nine hundred three".