230305677409 has 2 divisors, whose sum is σ = 230305677410. Its totient is φ = 230305677408.

The previous prime is 230305677401. The next prime is 230305677461. The reversal of 230305677409 is 904776503032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230078512225 + 227165184 = 479665^2 + 15072^2 .

It is a cyclic number.

It is not a de Polignac number, because 230305677409 - 2³ = 230305677401 is a prime.

It is not a weakly prime, because it can be changed into another prime (230305677401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115152838704 + 115152838705.

It is an arithmetic number, because the mean of its divisors is an integer number (115152838705).

Almost surely, 2^230305677409 is an apocalyptic number.

It is an amenable number.

230305677409 is a deficient number, since it is larger than the sum of its proper divisors (1).

230305677409 is an equidigital number, since it uses as much as digits as its factorization.

230305677409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 952560, while the sum is 46.

The spelling of 230305677409 in words is "two hundred thirty billion, three hundred five million, six hundred seventy-seven thousand, four hundred nine".