230309951 has 2 divisors, whose sum is σ = 230309952. Its totient is φ = 230309950.

The previous prime is 230309929. The next prime is 230309983. The reversal of 230309951 is 159903032.

It is an a-pointer prime, because the next prime (230309983) can be obtained adding 230309951 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230309951 - 2²² = 226115647 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230309551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115154975 + 115154976.

It is an arithmetic number, because the mean of its divisors is an integer number (115154976).

Almost surely, 2^230309951 is an apocalyptic number.

230309951 is a deficient number, since it is larger than the sum of its proper divisors (1).

230309951 is an equidigital number, since it uses as much as digits as its factorization.

230309951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 230309951 is about 15175.9662295354. The cubic root of 230309951 is about 612.9676681486.

The spelling of 230309951 in words is "two hundred thirty million, three hundred nine thousand, nine hundred fifty-one".