23123942399 has 8 divisors (see below), whose sum is σ = 23173992960. Its totient is φ = 23073932376.

The previous prime is 23123942371. The next prime is 23123942459. The reversal of 23123942399 is 99324932132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23123942399 - 2²⁸ = 22855506943 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 (23123942329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1313912 + ... + 1331394.

It is an arithmetic number, because the mean of its divisors is an integer number (2896749120).

Almost surely, 2^23123942399 is an apocalyptic number.

23123942399 is a deficient number, since it is larger than the sum of its proper divisors (50050561).

23123942399 is a wasteful number, since it uses less digits than its factorization.

23123942399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20269.

The product of its digits is 629856, while the sum is 47.

The spelling of 23123942399 in words is "twenty-three billion, one hundred twenty-three million, nine hundred forty-two thousand, three hundred ninety-nine".