231645360 has 40 divisors (see below), whose sum is σ = 718101360. Its totient is φ = 61772032.

The previous prime is 231645347. The next prime is 231645371. The reversal of 231645360 is 63546132.

231645360 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 482355 + ... + 482834.

It is an arithmetic number, because the mean of its divisors is an integer number (17952534).

Almost surely, 2^231645360 is an apocalyptic number.

231645360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231645360 is an abundant number, since it is smaller than the sum of its proper divisors (486456000).

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

231645360 is a wasteful number, since it uses less digits than its factorization.

231645360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965205 (or 965199 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 231645360 is about 15219.9001310784. The cubic root of 231645360 is about 614.1501116633.

The spelling of 231645360 in words is "two hundred thirty-one million, six hundred forty-five thousand, three hundred sixty".