231652328 has 16 divisors (see below), whose sum is σ = 436215780. Its totient is φ = 115328128.

The previous prime is 231652321. The next prime is 231652391. The reversal of 231652328 is 823256132.

231652328 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 2 ways, for example, as 216737284 + 14915044 = 14722^2 + 3862^2 .

It is a super-3 number, since 3×231652328³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231652294 and 231652303.

It is not an unprimeable number, because it can be changed into a prime (231652321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60275 + ... + 64002.

Almost surely, 2^231652328 is an apocalyptic number.

It is an amenable number.

231652328 is a deficient number, since it is larger than the sum of its proper divisors (204563452).

231652328 is a wasteful number, since it uses less digits than its factorization.

231652328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124516 (or 124512 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 231652328 is about 15220.1290401889. The cubic root of 231652328 is about 614.1562695751.

The spelling of 231652328 in words is "two hundred thirty-one million, six hundred fifty-two thousand, three hundred twenty-eight".