23429768028 has 48 divisors (see below), whose sum is σ = 55260930816. Its totient is φ = 7725594240.

The previous prime is 23429768017. The next prime is 23429768059. The reversal of 23429768028 is 82086792432.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1167963 + ... + 1187853.

It is an arithmetic number, because the mean of its divisors is an integer number (1151269392).

Almost surely, 2^23429768028 is an apocalyptic number.

It is an amenable number.

23429768028 is an abundant number, since it is smaller than the sum of its proper divisors (31831162788).

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

23429768028 is a wasteful number, since it uses less digits than its factorization.

23429768028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20954 (or 20952 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 23429768028 in words is "twenty-three billion, four hundred twenty-nine million, seven hundred sixty-eight thousand, twenty-eight".