230930533 has 8 divisors (see below), whose sum is σ = 245137752. Its totient is φ = 216792576.

The previous prime is 230930527. The next prime is 230930537. The reversal of 230930533 is 335039032.

It can be written as a sum of positive squares in 4 ways, for example, as 145515969 + 85414564 = 12063^2 + 9242^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230930533 is a prime.

It is a super-2 number, since 2×230930533² = 106657822143328178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230930537) 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, 10360 + ... + 23857.

It is an arithmetic number, because the mean of its divisors is an integer number (30642219).

Almost surely, 2^230930533 is an apocalyptic number.

It is an amenable number.

230930533 is a deficient number, since it is larger than the sum of its proper divisors (14207219).

230930533 is a wasteful number, since it uses less digits than its factorization.

230930533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34631.

The product of its (nonzero) digits is 7290, while the sum is 28.

The square root of 230930533 is about 15196.3986852149. The cubic root of 230930533 is about 613.5177320143.

Adding to 230930533 its reverse (335039032), we get a palindrome (565969565).

The spelling of 230930533 in words is "two hundred thirty million, nine hundred thirty thousand, five hundred thirty-three".