23279444442 has 64 divisors (see below), whose sum is σ = 54530304000. Its totient is φ = 7341216624.

The previous prime is 23279444437. The next prime is 23279444459. The reversal of 23279444442 is 24444497232.

23279444442 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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, 742863 + ... + 773565.

It is an arithmetic number, because the mean of its divisors is an integer number (852036000).

Almost surely, 2^23279444442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23279444442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27265152000).

23279444442 is an abundant number, since it is smaller than the sum of its proper divisors (31250859558).

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

23279444442 is a wasteful number, since it uses less digits than its factorization.

23279444442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31472 (or 31466 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 45.

The spelling of 23279444442 in words is "twenty-three billion, two hundred seventy-nine million, four hundred forty-four thousand, four hundred forty-two".