231346926720 has 768 divisors, whose sum is σ = 986416704000. Its totient is φ = 48653402112.

The previous prime is 231346926689. The next prime is 231346926781. The reversal of 231346926720 is 27629643132.

231346926720 is a `hidden beast` number, since 23 + 1 + 346 + 9 + 267 + 20 = 666.

231346926720 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 235347349 + ... + 235348331.

It is an arithmetic number, because the mean of its divisors is an integer number (1284396750).

Almost surely, 2^231346926720 is an apocalyptic number.

231346926720 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 231346926720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (493208352000).

231346926720 is an abundant number, since it is smaller than the sum of its proper divisors (755069777280).

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

231346926720 is a wasteful number, since it uses less digits than its factorization.

231346926720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477 (or 1462 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The spelling of 231346926720 in words is "two hundred thirty-one billion, three hundred forty-six million, nine hundred twenty-six thousand, seven hundred twenty".