230999047 has 2 divisors, whose sum is σ = 230999048. Its totient is φ = 230999046.

The previous prime is 230999003. The next prime is 230999071. The reversal of 230999047 is 740999032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 230999047 - 2⁷ = 230998919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230998994 and 230999012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230999147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115499523 + 115499524.

It is an arithmetic number, because the mean of its divisors is an integer number (115499524).

Almost surely, 2^230999047 is an apocalyptic number.

230999047 is a deficient number, since it is larger than the sum of its proper divisors (1).

230999047 is an equidigital number, since it uses as much as digits as its factorization.

230999047 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 43.

The square root of 230999047 is about 15198.6528021401. The cubic root of 230999047 is about 613.5784001829.

The spelling of 230999047 in words is "two hundred thirty million, nine hundred ninety-nine thousand, forty-seven".