230571972 has 18 divisors (see below), whose sum is σ = 582834798. Its totient is φ = 76857312.

The previous prime is 230571961. The next prime is 230571997. The reversal of 230571972 is 279175032.

230571972 is digitally balanced in base 3, 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 only one way, i.e., 191933316 + 38638656 = 13854^2 + 6216^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 6404777 = 230571972 / (2 + 3 + 0 + 5 + 7 + 1 + 9 + 7 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3202353 + ... + 3202424.

It is an arithmetic number, because the mean of its divisors is an integer number (32379711).

Almost surely, 2^230571972 is an apocalyptic number.

It is an amenable number.

230571972 is an abundant number, since it is smaller than the sum of its proper divisors (352262826).

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

230571972 is a wasteful number, since it uses less digits than its factorization.

230571972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6404787 (or 6404782 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 230571972 is about 15184.5965372808. The cubic root of 230571972 is about 613.2000354880.

The spelling of 230571972 in words is "two hundred thirty million, five hundred seventy-one thousand, nine hundred seventy-two".