230455278 has 12 divisors (see below), whose sum is σ = 499319808. Its totient is φ = 76818420.

The previous prime is 230455261. The next prime is 230455297. The reversal of 230455278 is 872554032.

230455278 is a `hidden beast` number, since 2 + 30 + 4 + 552 + 78 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6401518 + ... + 6401553.

It is an arithmetic number, because the mean of its divisors is an integer number (41609984).

Almost surely, 2^230455278 is an apocalyptic number.

230455278 is an abundant number, since it is smaller than the sum of its proper divisors (268864530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230455278 is a wasteful number, since it uses less digits than its factorization.

230455278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12803079 (or 12803076 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 230455278 is about 15180.7535386093. The cubic root of 230455278 is about 613.0965698333.

The spelling of 230455278 in words is "two hundred thirty million, four hundred fifty-five thousand, two hundred seventy-eight".