812323101 has 16 divisors (see below), whose sum is σ = 1119191040. Its totient is φ = 523538160.

The previous prime is 812323091. The next prime is 812323129. The reversal of 812323101 is 101323218.

It is not a de Polignac number, because 812323101 - 2⁵ = 812323069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812323601) 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 15 ways as a sum of consecutive naturals, for example, 98620 + ... + 106538.

It is an arithmetic number, because the mean of its divisors is an integer number (69949440).

Almost surely, 2^812323101 is an apocalyptic number.

It is an amenable number.

812323101 is a deficient number, since it is larger than the sum of its proper divisors (306867939).

812323101 is a wasteful number, since it uses less digits than its factorization.

812323101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9056.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 812323101 is about 28501.2824448304. The cubic root of 812323101 is about 933.0600635206.

Adding to 812323101 its reverse (101323218), we get a palindrome (913646319).

The spelling of 812323101 in words is "eight hundred twelve million, three hundred twenty-three thousand, one hundred one".