234533380 has 24 divisors (see below), whose sum is σ = 505833048. Its totient is φ = 91277568.

The previous prime is 234533357. The next prime is 234533381. The reversal of 234533380 is 83335432.

234533380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10252804 + 224280576 = 3202^2 + 14976^2 .

It is not an unprimeable number, because it can be changed into a prime (234533381) 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, 157729 + ... + 159208.

It is an arithmetic number, because the mean of its divisors is an integer number (21076377).

Almost surely, 2^234533380 is an apocalyptic number.

234533380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234533380 is an abundant number, since it is smaller than the sum of its proper divisors (271299668).

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

234533380 is a wasteful number, since it uses less digits than its factorization.

234533380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316983 (or 316981 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 234533380 is about 15314.4826879657. The cubic root of 234533380 is about 616.6918668380.

The spelling of 234533380 in words is "two hundred thirty-four million, five hundred thirty-three thousand, three hundred eighty".