230723253 has 12 divisors (see below), whose sum is σ = 334165260. Its totient is φ = 153400896.

The previous prime is 230723249. The next prime is 230723261. The reversal of 230723253 is 352327032.

230723253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 134722449 + 96000804 = 11607^2 + 9798^2 .

It is not a de Polignac number, because 230723253 - 2² = 230723249 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230723263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31008 + ... + 37721.

It is an arithmetic number, because the mean of its divisors is an integer number (27847105).

Almost surely, 2^230723253 is an apocalyptic number.

It is an amenable number.

230723253 is a deficient number, since it is larger than the sum of its proper divisors (103442007).

230723253 is a wasteful number, since it uses less digits than its factorization.

230723253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69108 (or 69105 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 27.

The square root of 230723253 is about 15189.5771172209. The cubic root of 230723253 is about 613.3341154356.

The spelling of 230723253 in words is "two hundred thirty million, seven hundred twenty-three thousand, two hundred fifty-three".