230478140 has 24 divisors (see below), whose sum is σ = 484340640. Its totient is φ = 92127168.

The previous prime is 230478139. The next prime is 230478161. The reversal of 230478140 is 41874032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34514 + ... + 40646.

It is an arithmetic number, because the mean of its divisors is an integer number (20180860).

Almost surely, 2^230478140 is an apocalyptic number.

230478140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230478140 is an abundant number, since it is smaller than the sum of its proper divisors (253862500).

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

230478140 is a wasteful number, since it uses less digits than its factorization.

230478140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8021 (or 8019 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 230478140 is about 15181.5065128597. The cubic root of 230478140 is about 613.1168429646.

The spelling of 230478140 in words is "two hundred thirty million, four hundred seventy-eight thousand, one hundred forty".