23903103 has 16 divisors (see below), whose sum is σ = 36582656. Its totient is φ = 13599360.

The previous prime is 23903101. The next prime is 23903129. The reversal of 23903103 is 30130932.

It is not a de Polignac number, because 23903103 - 2¹ = 23903101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23903103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23903101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2700 + ... + 7422.

It is an arithmetic number, because the mean of its divisors is an integer number (2286416).

Almost surely, 2^23903103 is an apocalyptic number.

23903103 is a deficient number, since it is larger than the sum of its proper divisors (12679553).

23903103 is a wasteful number, since it uses less digits than its factorization.

23903103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4974.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 23903103 is about 4889.0799748010. The cubic root of 23903103 is about 288.0611969684.

The spelling of 23903103 in words is "twenty-three million, nine hundred three thousand, one hundred three".