230297479 has 2 divisors, whose sum is σ = 230297480. Its totient is φ = 230297478.

The previous prime is 230297471. The next prime is 230297519. The reversal of 230297479 is 974792032.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230297479 - 2³ = 230297471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230297471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115148739 + 115148740.

It is an arithmetic number, because the mean of its divisors is an integer number (115148740).

Almost surely, 2^230297479 is an apocalyptic number.

230297479 is a deficient number, since it is larger than the sum of its proper divisors (1).

230297479 is an equidigital number, since it uses as much as digits as its factorization.

230297479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 230297479 is about 15175.5553110916. Note that the first 3 decimals coincide. The cubic root of 230297479 is about 612.9566032471.

The spelling of 230297479 in words is "two hundred thirty million, two hundred ninety-seven thousand, four hundred seventy-nine".