230517881 has 16 divisors (see below), whose sum is σ = 260977920. Its totient is φ = 201761280.

The previous prime is 230517877. The next prime is 230517907. The reversal of 230517881 is 188715032.

It is a cyclic number.

It is not a de Polignac number, because 230517881 - 2² = 230517877 is a prime.

It is a super-2 number, since 2×230517881² = 106276986921460322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (230517821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36560 + ... + 42398.

It is an arithmetic number, because the mean of its divisors is an integer number (16311120).

Almost surely, 2^230517881 is an apocalyptic number.

It is an amenable number.

230517881 is a deficient number, since it is larger than the sum of its proper divisors (30460039).

230517881 is a wasteful number, since it uses less digits than its factorization.

230517881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5984.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 230517881 is about 15182.8153186423. The cubic root of 230517881 is about 613.1520805452.

The spelling of 230517881 in words is "two hundred thirty million, five hundred seventeen thousand, eight hundred eighty-one".