812233609843 has 2 divisors, whose sum is σ = 812233609844. Its totient is φ = 812233609842.

The previous prime is 812233609813. The next prime is 812233609927. The reversal of 812233609843 is 348906332218.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-812233609843 is a prime.

It is not a weakly prime, because it can be changed into another prime (812233609813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406116804921 + 406116804922.

It is an arithmetic number, because the mean of its divisors is an integer number (406116804922).

Almost surely, 2^812233609843 is an apocalyptic number.

812233609843 is a deficient number, since it is larger than the sum of its proper divisors (1).

812233609843 is an equidigital number, since it uses as much as digits as its factorization.

812233609843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1492992, while the sum is 49.

The spelling of 812233609843 in words is "eight hundred twelve billion, two hundred thirty-three million, six hundred nine thousand, eight hundred forty-three".