23819423 has 4 divisors (see below), whose sum is σ = 24106488. Its totient is φ = 23532360.

The previous prime is 23819413. The next prime is 23819429. The reversal of 23819423 is 32491832.

It is a happy number.

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 23819423 - 2⁶ = 23819359 is a prime.

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 23819423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23819429) 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, 143408 + ... + 143573.

It is an arithmetic number, because the mean of its divisors is an integer number (6026622).

Almost surely, 2^23819423 is an apocalyptic number.

23819423 is a deficient number, since it is larger than the sum of its proper divisors (287065).

23819423 is an equidigital number, since it uses as much as digits as its factorization.

23819423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287064.

The product of its digits is 10368, while the sum is 32.

The square root of 23819423 is about 4880.5146245043. The cubic root of 23819423 is about 287.7246556598.

It can be divided in two parts, 23819 and 423, that added together give a palindrome (24242).

The spelling of 23819423 in words is "twenty-three million, eight hundred nineteen thousand, four hundred twenty-three".