230157899 has 2 divisors, whose sum is σ = 230157900. Its totient is φ = 230157898.

The previous prime is 230157877. The next prime is 230157901. The reversal of 230157899 is 998751032.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230157899 is a prime.

Together with 230157901, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (230157839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115078949 + 115078950.

It is an arithmetic number, because the mean of its divisors is an integer number (115078950).

Almost surely, 2^230157899 is an apocalyptic number.

230157899 is a deficient number, since it is larger than the sum of its proper divisors (1).

230157899 is an equidigital number, since it uses as much as digits as its factorization.

230157899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 230157899 is about 15170.9557708142. The cubic root of 230157899 is about 612.8327434844.

The spelling of 230157899 in words is "two hundred thirty million, one hundred fifty-seven thousand, eight hundred ninety-nine".