230390253 has 6 divisors (see below), whose sum is σ = 332785934. Its totient is φ = 153593496.

The previous prime is 230390249. The next prime is 230390261. The reversal of 230390253 is 352093032.

230390253 is a `hidden beast` number, since 23 + 0 + 390 + 253 = 666.

It can be written as a sum of positive squares in only one way, i.e., 193265604 + 37124649 = 13902^2 + 6093^2 .

It is not a de Polignac number, because 230390253 - 2² = 230390249 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 (230390753) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12799450 + ... + 12799467.

Almost surely, 2^230390253 is an apocalyptic number.

It is an amenable number.

230390253 is a deficient number, since it is larger than the sum of its proper divisors (102395681).

230390253 is a wasteful number, since it uses less digits than its factorization.

230390253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25598923 (or 25598920 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The square root of 230390253 is about 15178.6116954088. The cubic root of 230390253 is about 613.0389008646.

The spelling of 230390253 in words is "two hundred thirty million, three hundred ninety thousand, two hundred fifty-three".