812330203 has 8 divisors (see below), whose sum is σ = 831460448. Its totient is φ = 793416384.

The previous prime is 812330201. The next prime is 812330209. The reversal of 812330203 is 302033218.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 812330203 - 2¹ = 812330201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (812330201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46500 + ... + 61537.

It is an arithmetic number, because the mean of its divisors is an integer number (103932556).

Almost surely, 2^812330203 is an apocalyptic number.

812330203 is a deficient number, since it is larger than the sum of its proper divisors (19130245).

812330203 is a wasteful number, since it uses less digits than its factorization.

812330203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108213.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 812330203 is about 28501.4070354430. The cubic root of 812330203 is about 933.0627827068.

The spelling of 812330203 in words is "eight hundred twelve million, three hundred thirty thousand, two hundred three".