231423168 has 56 divisors (see below), whose sum is σ = 614769408. Its totient is φ = 76830976.

The previous prime is 231423167. The next prime is 231423169. The reversal of 231423168 is 861324132.

231423168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (231423167) and next prime (231423169).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (231423163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48205 + ... + 52787.

Almost surely, 2^231423168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231423168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307384704).

231423168 is an abundant number, since it is smaller than the sum of its proper divisors (383346240).

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

231423168 is a wasteful number, since it uses less digits than its factorization.

231423168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4861 (or 4851 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 231423168 is about 15212.5989889959. The cubic root of 231423168 is about 613.9536865547.

The spelling of 231423168 in words is "two hundred thirty-one million, four hundred twenty-three thousand, one hundred sixty-eight".