230456918 has 16 divisors (see below), whose sum is σ = 361912320. Its totient is φ = 109852776.

The previous prime is 230456911. The next prime is 230456953. The reversal of 230456918 is 819654032.

It is a happy number.

It is a super-2 number, since 2×230456918² = 106220782108117448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230456911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5963 + ... + 22281.

It is an arithmetic number, because the mean of its divisors is an integer number (22619520).

Almost surely, 2^230456918 is an apocalyptic number.

230456918 is a deficient number, since it is larger than the sum of its proper divisors (131455402).

230456918 is a wasteful number, since it uses less digits than its factorization.

230456918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16651.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 230456918 is about 15180.8075542772. The cubic root of 230456918 is about 613.0980241661.

The spelling of 230456918 in words is "two hundred thirty million, four hundred fifty-six thousand, nine hundred eighteen".