230287917018 has 16 divisors (see below), whose sum is σ = 460581325920. Its totient is φ = 76761723696.

The previous prime is 230287917001. The next prime is 230287917113. The reversal of 230287917018 is 810719782032.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489988 + ... + 837056.

It is an arithmetic number, because the mean of its divisors is an integer number (28786332870).

Almost surely, 2^230287917018 is an apocalyptic number.

230287917018 is an abundant number, since it is smaller than the sum of its proper divisors (230293408902).

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

230287917018 is a wasteful number, since it uses less digits than its factorization.

230287917018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457661.

The product of its (nonzero) digits is 338688, while the sum is 48.

The spelling of 230287917018 in words is "two hundred thirty billion, two hundred eighty-seven million, nine hundred seventeen thousand, eighteen".