230671729 has 2 divisors, whose sum is σ = 230671730. Its totient is φ = 230671728.

The previous prime is 230671717. The next prime is 230671783. The reversal of 230671729 is 927176032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148352400 + 82319329 = 12180^2 + 9073^2 .

It is a cyclic number.

It is not a de Polignac number, because 230671729 - 2⁵ = 230671697 is a prime.

It is not a weakly prime, because it can be changed into another prime (230671789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115335864 + 115335865.

It is an arithmetic number, because the mean of its divisors is an integer number (115335865).

Almost surely, 2^230671729 is an apocalyptic number.

It is an amenable number.

230671729 is a deficient number, since it is larger than the sum of its proper divisors (1).

230671729 is an equidigital number, since it uses as much as digits as its factorization.

230671729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 230671729 is about 15187.8809911060. The cubic root of 230671729 is about 613.2884564348.

The spelling of 230671729 in words is "two hundred thirty million, six hundred seventy-one thousand, seven hundred twenty-nine".