230121539 has 8 divisors (see below), whose sum is σ = 232848000. Its totient is φ = 227402496.

The previous prime is 230121523. The next prime is 230121613. The reversal of 230121539 is 935121032.

230121539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 230121539 - 2⁴ = 230121523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230121139) 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, 82337 + ... + 85085.

It is an arithmetic number, because the mean of its divisors is an integer number (29106000).

Almost surely, 2^230121539 is an apocalyptic number.

230121539 is a deficient number, since it is larger than the sum of its proper divisors (2726461).

230121539 is an equidigital number, since it uses as much as digits as its factorization.

230121539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3709.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 230121539 is about 15169.7573810526. The cubic root of 230121539 is about 612.8004703186.

The spelling of 230121539 in words is "two hundred thirty million, one hundred twenty-one thousand, five hundred thirty-nine".