231787008000 has 1040 divisors, whose sum is σ = 905415578496. Its totient is φ = 59122483200.

The previous prime is 231787007987. The next prime is 231787008017. The reversal of 231787008000 is 800787132.

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

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 10077695989 + ... + 10077696011.

Almost surely, 2^231787008000 is an apocalyptic number.

231787008000 is a gapful number since it is divisible by the number (20) 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 231787008000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (452707789248).

231787008000 is an abundant number, since it is smaller than the sum of its proper divisors (673628570496).

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

231787008000 is an frugal number, since it uses more digits than its factorization.

231787008000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 33 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The spelling of 231787008000 in words is "two hundred thirty-one billion, seven hundred eighty-seven million, eight thousand".