230020253 has 2 divisors, whose sum is σ = 230020254. Its totient is φ = 230020252.

The previous prime is 230020249. The next prime is 230020277. The reversal of 230020253 is 352020032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229916569 + 103684 = 15163^2 + 322^2 .

It is a cyclic number.

It is not a de Polignac number, because 230020253 - 2² = 230020249 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230020223) 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 as a sum of consecutive naturals, namely, 115010126 + 115010127.

It is an arithmetic number, because the mean of its divisors is an integer number (115010127).

Almost surely, 2^230020253 is an apocalyptic number.

It is an amenable number.

230020253 is a deficient number, since it is larger than the sum of its proper divisors (1).

230020253 is an equidigital number, since it uses as much as digits as its factorization.

230020253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 230020253 is about 15166.4185950408. The cubic root of 230020253 is about 612.7105508538.

Adding to 230020253 its reverse (352020032), we get a palindrome (582040285).

The spelling of 230020253 in words is "two hundred thirty million, twenty thousand, two hundred fifty-three".