230456477 has 2 divisors, whose sum is σ = 230456478. Its totient is φ = 230456476.

The previous prime is 230456459. The next prime is 230456489. The reversal of 230456477 is 774654032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227828836 + 2627641 = 15094^2 + 1621^2 .

It is a cyclic number.

It is not a de Polignac number, because 230456477 - 2¹⁰ = 230455453 is a prime.

It is a super-2 number, since 2×230456477² = 106220375582503058, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 230456477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230456977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115228238 + 115228239.

It is an arithmetic number, because the mean of its divisors is an integer number (115228239).

Almost surely, 2^230456477 is an apocalyptic number.

It is an amenable number.

230456477 is a deficient number, since it is larger than the sum of its proper divisors (1).

230456477 is an equidigital number, since it uses as much as digits as its factorization.

230456477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 38.

The square root of 230456477 is about 15180.7930293513. The cubic root of 230456477 is about 613.0976330931.

The spelling of 230456477 in words is "two hundred thirty million, four hundred fifty-six thousand, four hundred seventy-seven".