230243133 has 16 divisors (see below), whose sum is σ = 320785920. Its totient is φ = 146616624.

The previous prime is 230243129. The next prime is 230243137. The reversal of 230243133 is 331342032.

It is an interprime number because it is at equal distance from previous prime (230243129) and next prime (230243137).

It is not a de Polignac number, because 230243133 - 2² = 230243129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230243137) 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, 59038 + ... + 62816.

It is an arithmetic number, because the mean of its divisors is an integer number (20049120).

Almost surely, 2^230243133 is an apocalyptic number.

230243133 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

230243133 is a deficient number, since it is larger than the sum of its proper divisors (90542787).

230243133 is a wasteful number, since it uses less digits than its factorization.

230243133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4688.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 230243133 is about 15173.7646284632. The cubic root of 230243133 is about 612.9083839319.

Adding to 230243133 its reverse (331342032), we get a palindrome (561585165).

The spelling of 230243133 in words is "two hundred thirty million, two hundred forty-three thousand, one hundred thirty-three".