231434668 has 72 divisors (see below), whose sum is σ = 465731280. Its totient is φ = 100270080.

The previous prime is 231434663. The next prime is 231434669. The reversal of 231434668 is 866434132.

It is not an unprimeable number, because it can be changed into a prime (231434663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 900396 + ... + 900652.

It is an arithmetic number, because the mean of its divisors is an integer number (6468490).

Almost surely, 2^231434668 is an apocalyptic number.

It is an amenable number.

231434668 is an abundant number, since it is smaller than the sum of its proper divisors (234296612).

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

231434668 is a wasteful number, since it uses less digits than its factorization.

231434668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 336 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The square root of 231434668 is about 15212.9769604769. The cubic root of 231434668 is about 613.9638560212.

The spelling of 231434668 in words is "two hundred thirty-one million, four hundred thirty-four thousand, six hundred sixty-eight".