23402998392 has 128 divisors (see below), whose sum is σ = 61870694400. Its totient is φ = 7365888000.

The previous prime is 23402998373. The next prime is 23402998447. The reversal of 23402998392 is 29389920432.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14021334 + ... + 14023002.

It is an arithmetic number, because the mean of its divisors is an integer number (483364800).

Almost surely, 2^23402998392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23402998392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30935347200).

23402998392 is an abundant number, since it is smaller than the sum of its proper divisors (38467696008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23402998392 is a wasteful number, since it uses less digits than its factorization.

23402998392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157 (or 2153 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 51.

The spelling of 23402998392 in words is "twenty-three billion, four hundred two million, nine hundred ninety-eight thousand, three hundred ninety-two".