231974923488 has 432 divisors, whose sum is σ = 803779103232. Its totient is φ = 58305139200.

The previous prime is 231974923441. The next prime is 231974923489. The reversal of 231974923488 is 884329479132.

It is a super-3 number, since 3×231974923488³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231974923489) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 17638131 + ... + 17651277.

It is an arithmetic number, because the mean of its divisors is an integer number (1860599776).

Almost surely, 2^231974923488 is an apocalyptic number.

231974923488 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 231974923488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (401889551616).

231974923488 is an abundant number, since it is smaller than the sum of its proper divisors (571804179744).

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

231974923488 is a wasteful number, since it uses less digits than its factorization.

231974923488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13227 (or 13201 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 60.

The spelling of 231974923488 in words is "two hundred thirty-one billion, nine hundred seventy-four million, nine hundred twenty-three thousand, four hundred eighty-eight".