230898553 has 4 divisors (see below), whose sum is σ = 230950260. Its totient is φ = 230846848.

The previous prime is 230898533. The next prime is 230898557. The reversal of 230898553 is 355898032.

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 73822464 + 157076089 = 8592^2 + 12533^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230898553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230898557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18448 + ... + 28321.

It is an arithmetic number, because the mean of its divisors is an integer number (57737565).

Almost surely, 2^230898553 is an apocalyptic number.

It is an amenable number.

230898553 is a deficient number, since it is larger than the sum of its proper divisors (51707).

230898553 is an equidigital number, since it uses as much as digits as its factorization.

230898553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51706.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 230898553 is about 15195.3464257976. The cubic root of 230898553 is about 613.4894100732.

The spelling of 230898553 in words is "two hundred thirty million, eight hundred ninety-eight thousand, five hundred fifty-three".