23493923 has 4 divisors (see below), whose sum is σ = 23530128. Its totient is φ = 23457720.

The previous prime is 23493917. The next prime is 23493959. The reversal of 23493923 is 32939432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23493923 - 2⁴ = 23493907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23493023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17111 + ... + 18432.

It is an arithmetic number, because the mean of its divisors is an integer number (5882532).

Almost surely, 2^23493923 is an apocalyptic number.

23493923 is a deficient number, since it is larger than the sum of its proper divisors (36205).

23493923 is an equidigital number, since it uses as much as digits as its factorization.

23493923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36204.

The product of its digits is 34992, while the sum is 35.

The square root of 23493923 is about 4847.0530221981. The cubic root of 23493923 is about 286.4080235768.

The spelling of 23493923 in words is "twenty-three million, four hundred ninety-three thousand, nine hundred twenty-three".