812323160 has 128 divisors (see below), whose sum is σ = 2099442240. Its totient is φ = 280166400.

The previous prime is 812323157. The next prime is 812323219. The reversal of 812323160 is 61323218.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 666872 + ... + 668088.

Almost surely, 2^812323160 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 812323160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1049721120).

812323160 is an abundant number, since it is smaller than the sum of its proper divisors (1287119080).

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

812323160 is a wasteful number, since it uses less digits than its factorization.

812323160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317 (or 1313 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 812323160 is about 28501.2834798716. The cubic root of 812323160 is about 933.0600861104.

Adding to 812323160 its reverse (61323218), we get a palindrome (873646378).

The spelling of 812323160 in words is "eight hundred twelve million, three hundred twenty-three thousand, one hundred sixty".