23503923 has 12 divisors (see below), whose sum is σ = 34113768. Its totient is φ = 15593760.

The previous prime is 23503913. The next prime is 23503937. The reversal of 23503923 is 32930532.

It is not a de Polignac number, because 23503923 - 2⁹ = 23503411 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (23503903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4290 + ... + 8087.

It is an arithmetic number, because the mean of its divisors is an integer number (2842814).

Almost surely, 2^23503923 is an apocalyptic number.

23503923 is a deficient number, since it is larger than the sum of its proper divisors (10609845).

23503923 is a wasteful number, since it uses less digits than its factorization.

23503923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12594 (or 12591 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The square root of 23503923 is about 4848.0844670859. The cubic root of 23503923 is about 286.4486535725.

The spelling of 23503923 in words is "twenty-three million, five hundred three thousand, nine hundred twenty-three".