230533253 has 4 divisors (see below), whose sum is σ = 230681568. Its totient is φ = 230384940.

The previous prime is 230533249. The next prime is 230533309. The reversal of 230533253 is 352335032.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 230533253 - 2² = 230533249 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230533223) 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, 71801 + ... + 74942.

It is an arithmetic number, because the mean of its divisors is an integer number (57670392).

Almost surely, 2^230533253 is an apocalyptic number.

It is an amenable number.

230533253 is a deficient number, since it is larger than the sum of its proper divisors (148315).

230533253 is a wasteful number, since it uses less digits than its factorization.

230533253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148314.

The product of its (nonzero) digits is 8100, while the sum is 26.

The square root of 230533253 is about 15183.3215404272. The cubic root of 230533253 is about 613.1657095158.

Adding to 230533253 its reverse (352335032), we get a palindrome (582868285).

The spelling of 230533253 in words is "two hundred thirty million, five hundred thirty-three thousand, two hundred fifty-three".