230991126 has 16 divisors (see below), whose sum is σ = 468311664. Its totient is φ = 75942144.

The previous prime is 230991071. The next prime is 230991127. The reversal of 230991126 is 621199032.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230991127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263251 + ... + 264126.

It is an arithmetic number, because the mean of its divisors is an integer number (29269479).

Almost surely, 2^230991126 is an apocalyptic number.

230991126 is an abundant number, since it is smaller than the sum of its proper divisors (237320538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230991126 is a wasteful number, since it uses less digits than its factorization.

230991126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527455.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 230991126 is about 15198.3922175999. The cubic root of 230991126 is about 613.5713868638.

The spelling of 230991126 in words is "two hundred thirty million, nine hundred ninety-one thousand, one hundred twenty-six".