230240881 has 4 divisors (see below), whose sum is σ = 247951732. Its totient is φ = 212530032.

The previous prime is 230240873. The next prime is 230240893. The reversal of 230240881 is 188042032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 74390625 + 155850256 = 8625^2 + 12484^2 .

It is not a de Polignac number, because 230240881 - 2³ = 230240873 is a prime.

It is a super-2 number, since 2×230240881² = 106021726567312322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230240821) 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, 8855406 + ... + 8855431.

It is an arithmetic number, because the mean of its divisors is an integer number (61987933).

Almost surely, 2^230240881 is an apocalyptic number.

It is an amenable number.

230240881 is a deficient number, since it is larger than the sum of its proper divisors (17710851).

230240881 is a wasteful number, since it uses less digits than its factorization.

230240881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17710850.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 230240881 is about 15173.6904212522. The cubic root of 230240881 is about 612.9063856469.

The spelling of 230240881 in words is "two hundred thirty million, two hundred forty thousand, eight hundred eighty-one".