230523490 has 16 divisors (see below), whose sum is σ = 417052152. Its totient is φ = 91740544.

The previous prime is 230523481. The next prime is 230523499. The reversal of 230523490 is 94325032.

230523490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 15183²+1.

It is an interprime number because it is at equal distance from previous prime (230523481) and next prime (230523499).

It can be written as a sum of positive squares in 4 ways, for example, as 225870841 + 4652649 = 15029^2 + 2157^2 .

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (230523499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56539 + ... + 60478.

Almost surely, 2^230523490 is an apocalyptic number.

230523490 is a deficient number, since it is larger than the sum of its proper divisors (186528662).

230523490 is a wasteful number, since it uses less digits than its factorization.

230523490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117221.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 230523490 is about 15183.0000329316. Note that the first 4 decimals coincide. The cubic root of 230523490 is about 613.1570536115.

The spelling of 230523490 in words is "two hundred thirty million, five hundred twenty-three thousand, four hundred ninety".