23912198423 has 4 divisors (see below), whose sum is σ = 24951859248. Its totient is φ = 22872537600.

The previous prime is 23912198407. The next prime is 23912198437. The reversal of 23912198423 is 32489121932.

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 23912198423 - 2⁴ = 23912198407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23912138423) 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, 519830378 + ... + 519830423.

It is an arithmetic number, because the mean of its divisors is an integer number (6237964812).

Almost surely, 2^23912198423 is an apocalyptic number.

23912198423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

23912198423 is a deficient number, since it is larger than the sum of its proper divisors (1039660825).

23912198423 is a wasteful number, since it uses less digits than its factorization.

23912198423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039660824.

The product of its digits is 186624, while the sum is 44.

The spelling of 23912198423 in words is "twenty-three billion, nine hundred twelve million, one hundred ninety-eight thousand, four hundred twenty-three".