230389977 has 4 divisors (see below), whose sum is σ = 307186640. Its totient is φ = 153593316.

The previous prime is 230389969. The next prime is 230389979. The reversal of 230389977 is 779983032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 230389977 - 2³ = 230389969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230389979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38398327 + ... + 38398332.

It is an arithmetic number, because the mean of its divisors is an integer number (76796660).

Almost surely, 2^230389977 is an apocalyptic number.

It is an amenable number.

230389977 is a deficient number, since it is larger than the sum of its proper divisors (76796663).

230389977 is an equidigital number, since it uses as much as digits as its factorization.

230389977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76796662.

The product of its (nonzero) digits is 571536, while the sum is 48.

The square root of 230389977 is about 15178.6026036655. The cubic root of 230389977 is about 613.0386560644.

The spelling of 230389977 in words is "two hundred thirty million, three hundred eighty-nine thousand, nine hundred seventy-seven".