230193816 has 72 divisors (see below), whose sum is σ = 611116380. Its totient is φ = 72246816.

The previous prime is 230193779. The next prime is 230193833. The reversal of 230193816 is 618391032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1412151 + ... + 1412313.

Almost surely, 2^230193816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230193816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305558190).

230193816 is an abundant number, since it is smaller than the sum of its proper divisors (380922564).

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

230193816 is a wasteful number, since it uses less digits than its factorization.

230193816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 230193816 is about 15172.1394667990. The cubic root of 230193816 is about 612.8646201060.

Multiplying 230193816 by its product of nonzero digits (7776), we get a square (1789987113216 = 1337904²).

The spelling of 230193816 in words is "two hundred thirty million, one hundred ninety-three thousand, eight hundred sixteen".