232239531888 has 320 divisors, whose sum is σ = 822734008320. Its totient is φ = 61079298048.

The previous prime is 232239531871. The next prime is 232239531917. The reversal of 232239531888 is 888135932232.

It is a happy number.

232239531888 is a `hidden beast` number, since 2 + 3 + 2 + 23 + 9 + 531 + 8 + 88 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14419456 + ... + 14435552.

It is an arithmetic number, because the mean of its divisors is an integer number (2571043776).

Almost surely, 2^232239531888 is an apocalyptic number.

232239531888 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232239531888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411367004160).

232239531888 is an abundant number, since it is smaller than the sum of its proper divisors (590494476432).

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

232239531888 is a wasteful number, since it uses less digits than its factorization.

232239531888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16501 (or 16489 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The spelling of 232239531888 in words is "two hundred thirty-two billion, two hundred thirty-nine million, five hundred thirty-one thousand, eight hundred eighty-eight".