230403977 has 2 divisors, whose sum is σ = 230403978. Its totient is φ = 230403976.

The previous prime is 230403961. The next prime is 230404033. The reversal of 230403977 is 779304032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230402041 + 1936 = 15179^2 + 44^2 .

It is a cyclic number.

It is not a de Polignac number, because 230403977 - 2⁴ = 230403961 is a prime.

It is not a weakly prime, because it can be changed into another prime (230403947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115201988 + 115201989.

It is an arithmetic number, because the mean of its divisors is an integer number (115201989).

Almost surely, 2^230403977 is an apocalyptic number.

It is an amenable number.

230403977 is a deficient number, since it is larger than the sum of its proper divisors (1).

230403977 is an equidigital number, since it uses as much as digits as its factorization.

230403977 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 35.

The square root of 230403977 is about 15179.0637721831. The cubic root of 230403977 is about 613.0510732240.

The spelling of 230403977 in words is "two hundred thirty million, four hundred three thousand, nine hundred seventy-seven".