23232544128 has 48 divisors (see below), whose sum is σ = 66854069100. Its totient is φ = 7744180992.

The previous prime is 23232544091. The next prime is 23232544141. The reversal of 23232544128 is 82144523232.

23232544128 is a `hidden beast` number, since 2 + 3 + 232 + 5 + 4 + 412 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×23232544128² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 23232544092 and 23232544101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10082418 + ... + 10084721.

Almost surely, 2^23232544128 is an apocalyptic number.

It is an amenable number.

23232544128 is an abundant number, since it is smaller than the sum of its proper divisors (43621524972).

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

23232544128 is a wasteful number, since it uses less digits than its factorization.

23232544128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20167159 (or 20167144 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The spelling of 23232544128 in words is "twenty-three billion, two hundred thirty-two million, five hundred forty-four thousand, one hundred twenty-eight".