231454320 has 240 divisors, whose sum is σ = 789378048. Its totient is φ = 56053760.

The previous prime is 231454291. The next prime is 231454331. The reversal of 231454320 is 23454132.

231454320 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 (240).

It is a super-2 number, since 2×231454320² = 107142204493324800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3259885 + ... + 3259955.

Almost surely, 2^231454320 is an apocalyptic number.

231454320 is a gapful number since it is divisible by the number (20) 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 231454320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (394689024).

231454320 is an abundant number, since it is smaller than the sum of its proper divisors (557923728).

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

231454320 is a wasteful number, since it uses less digits than its factorization.

231454320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 231454320 is about 15213.6228427025. The cubic root of 231454320 is about 613.9812335332.

The spelling of 231454320 in words is "two hundred thirty-one million, four hundred fifty-four thousand, three hundred twenty".