11823903 has 24 divisors (see below), whose sum is σ = 21021728. Its totient is φ = 6236352.

The previous prime is 11823899. The next prime is 11823907. The reversal of 11823903 is 30932811.

It is an interprime number because it is at equal distance from previous prime (11823899) and next prime (11823907).

It is not a de Polignac number, because 11823903 - 2² = 11823899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11823907) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6400 + ... + 8037.

Almost surely, 2^11823903 is an apocalyptic number.

11823903 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11823903 is a deficient number, since it is larger than the sum of its proper divisors (9197825).

11823903 is a wasteful number, since it uses less digits than its factorization.

11823903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14463 (or 14460 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 11823903 is about 3438.5902634655. The cubic root of 11823903 is about 227.8174323363.

The spelling of 11823903 in words is "eleven million, eight hundred twenty-three thousand, nine hundred three".