230523489 has 45 divisors (see below), whose sum is σ = 402253731. Its totient is φ = 131181120.

The previous prime is 230523481. The next prime is 230523499. The reversal of 230523489 is 984325032.

The square root of 230523489 is 15183.

It is a perfect power (a square), and thus also a powerful number.

230523489 is a `hidden beast` number, since 2 + 305 + 2 + 348 + 9 = 666.

230523489 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 only one way, i.e., 173369889 + 57153600 = 13167^2 + 7560^2 .

It is not a de Polignac number, because 230523489 - 2³ = 230523481 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (230523481) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 956409 + ... + 956649.

Almost surely, 2^230523489 is an apocalyptic number.

230523489 is the 15183-rd square number.

230523489 is the 7592-nd centered octagonal number.

It is an amenable number.

230523489 is a deficient number, since it is larger than the sum of its proper divisors (171730242).

230523489 is an frugal number, since it uses more digits than its factorization.

230523489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The cubic root of 230523489 is about 613.1570527249.

Multiplying 230523489 by its sum of digits (36), we get a square (8298845604 = 91098²).

The spelling of 230523489 in words is "two hundred thirty million, five hundred twenty-three thousand, four hundred eighty-nine".