230320357 has 2 divisors, whose sum is σ = 230320358. Its totient is φ = 230320356.

The previous prime is 230320333. The next prime is 230320373. The reversal of 230320357 is 753023032.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 165533956 + 64786401 = 12866^2 + 8049^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230320357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230320397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115160178 + 115160179.

It is an arithmetic number, because the mean of its divisors is an integer number (115160179).

Almost surely, 2^230320357 is an apocalyptic number.

It is an amenable number.

230320357 is a deficient number, since it is larger than the sum of its proper divisors (1).

230320357 is an equidigital number, since it uses as much as digits as its factorization.

230320357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 25.

The square root of 230320357 is about 15176.3090703899. The cubic root of 230320357 is about 612.9768998318.

Adding to 230320357 its reverse (753023032), we get a palindrome (983343389).

The spelling of 230320357 in words is "two hundred thirty million, three hundred twenty thousand, three hundred fifty-seven".