234431280 has 80 divisors (see below), whose sum is σ = 807492960. Its totient is φ = 62514432.

The previous prime is 234431237. The next prime is 234431287. The reversal of 234431280 is 82134432.

234431280 is a `hidden beast` number, since 2 + 344 + 312 + 8 + 0 = 666.

234431280 is digitally balanced in base 2, 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 (80).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (234431287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52107 + ... + 56426.

It is an arithmetic number, because the mean of its divisors is an integer number (10093662).

Almost surely, 2^234431280 is an apocalyptic number.

234431280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234431280 is an abundant number, since it is smaller than the sum of its proper divisors (573061680).

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

234431280 is a wasteful number, since it uses less digits than its factorization.

234431280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108555 (or 108543 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 234431280 is about 15311.1488791664. The cubic root of 234431280 is about 616.6023651807.

The spelling of 234431280 in words is "two hundred thirty-four million, four hundred thirty-one thousand, two hundred eighty".