230557739 has 2 divisors, whose sum is σ = 230557740. Its totient is φ = 230557738.

The previous prime is 230557729. The next prime is 230557753. The reversal of 230557739 is 937755032.

230557739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230557739 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 230557696 and 230557705.

It is not a weakly prime, because it can be changed into another prime (230557709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115278869 + 115278870.

It is an arithmetic number, because the mean of its divisors is an integer number (115278870).

Almost surely, 2^230557739 is an apocalyptic number.

230557739 is a deficient number, since it is larger than the sum of its proper divisors (1).

230557739 is an equidigital number, since it uses as much as digits as its factorization.

230557739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 198450, while the sum is 41.

The square root of 230557739 is about 15184.1278643194. The cubic root of 230557739 is about 613.1874177999.

The spelling of 230557739 in words is "two hundred thirty million, five hundred fifty-seven thousand, seven hundred thirty-nine".