230699237 has 2 divisors, whose sum is σ = 230699238. Its totient is φ = 230699236.

The previous prime is 230699219. The next prime is 230699243. The reversal of 230699237 is 732996032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 185123236 + 45576001 = 13606^2 + 6751^2 .

It is a cyclic number.

It is not a de Polignac number, because 230699237 - 2⁸ = 230698981 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 230699194 and 230699203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230699137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115349618 + 115349619.

It is an arithmetic number, because the mean of its divisors is an integer number (115349619).

Almost surely, 2^230699237 is an apocalyptic number.

It is an amenable number.

230699237 is a deficient number, since it is larger than the sum of its proper divisors (1).

230699237 is an equidigital number, since it uses as much as digits as its factorization.

230699237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 230699237 is about 15188.7865545606. The cubic root of 230699237 is about 613.3128340331.

The spelling of 230699237 in words is "two hundred thirty million, six hundred ninety-nine thousand, two hundred thirty-seven".