231645754368 has 880 divisors, whose sum is σ = 834891450624. Its totient is φ = 62586224640.

The previous prime is 231645754367. The next prime is 231645754369. The reversal of 231645754368 is 863457546132.

231645754368 is a `hidden beast` number, since 2 + 3 + 1 + 6 + 4 + 575 + 4 + 3 + 68 = 666.

It is an interprime number because it is at equal distance from previous prime (231645754367) and next prime (231645754369).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231645754367) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 880782205 + ... + 880782467.

Almost surely, 2^231645754368 is an apocalyptic number.

231645754368 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 231645754368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (417445725312).

231645754368 is an abundant number, since it is smaller than the sum of its proper divisors (603245696256).

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

231645754368 is a wasteful number, since it uses less digits than its factorization.

231645754368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 353 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 54.

The spelling of 231645754368 in words is "two hundred thirty-one billion, six hundred forty-five million, seven hundred fifty-four thousand, three hundred sixty-eight".