231723626640000 has 1280 divisors, whose sum is σ = 865909982108160. Its totient is φ = 54393292800000.

The previous prime is 231723626639927. The next prime is 231723626640047. The reversal of 231723626640000 is 46626327132.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 20610474379 + ... + 20610485621.

It is an arithmetic number, because the mean of its divisors is an integer number (676492173522).

Almost surely, 2^{231723626640000} is an apocalyptic number.

231723626640000 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 231723626640000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432954991054080).

231723626640000 is an abundant number, since it is smaller than the sum of its proper divisors (634186355468160).

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

231723626640000 is a wasteful number, since it uses less digits than its factorization.

231723626640000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11539 (or 11512 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 42.

The spelling of 231723626640000 in words is "two hundred thirty-one trillion, seven hundred twenty-three billion, six hundred twenty-six million, six hundred forty thousand".