23428455732 has 72 divisors (see below), whose sum is σ = 64624210560. Its totient is φ = 7097502720.

The previous prime is 23428455731. The next prime is 23428455751. The reversal of 23428455732 is 23755482432.

23428455732 is a `hidden beast` number, since 2 + 34 + 2 + 8 + 45 + 573 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23428455731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1951444 + ... + 1963412.

It is an arithmetic number, because the mean of its divisors is an integer number (897558480).

Almost surely, 2^23428455732 is an apocalyptic number.

23428455732 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23428455732 is an abundant number, since it is smaller than the sum of its proper divisors (41195754828).

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

23428455732 is a wasteful number, since it uses less digits than its factorization.

23428455732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16933 (or 16928 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 45.

The spelling of 23428455732 in words is "twenty-three billion, four hundred twenty-eight million, four hundred fifty-five thousand, seven hundred thirty-two".