23823423 has 48 divisors (see below), whose sum is σ = 40055040. Its totient is φ = 13961376.

The previous prime is 23823403. The next prime is 23823427. The reversal of 23823423 is 32432832.

23823423 is a `hidden beast` number, since 238 + 2 + 3 + 423 = 666.

It is not a de Polignac number, because 23823423 - 2⁸ = 23823167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23823427) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104836 + ... + 105062.

It is an arithmetic number, because the mean of its divisors is an integer number (834480).

Almost surely, 2^23823423 is an apocalyptic number.

23823423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

23823423 is a deficient number, since it is larger than the sum of its proper divisors (16231617).

23823423 is a wasteful number, since it uses less digits than its factorization.

23823423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285 (or 266 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 23823423 is about 4880.9244001521. The cubic root of 23823423 is about 287.7407606428.

The spelling of 23823423 in words is "twenty-three million, eight hundred twenty-three thousand, four hundred twenty-three".