845094378223 has 2 divisors, whose sum is σ = 845094378224. Its totient is φ = 845094378222.

The previous prime is 845094378217. The next prime is 845094378259. The reversal of 845094378223 is 322873490548.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-845094378223 is a prime.

It is a super-3 number, since 3×845094378223³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (845094378203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 422547189111 + 422547189112.

It is an arithmetic number, because the mean of its divisors is an integer number (422547189112).

Almost surely, 2^845094378223 is an apocalyptic number.

845094378223 is a deficient number, since it is larger than the sum of its proper divisors (1).

845094378223 is an equidigital number, since it uses as much as digits as its factorization.

845094378223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11612160, while the sum is 55.

The spelling of 845094378223 in words is "eight hundred forty-five billion, ninety-four million, three hundred seventy-eight thousand, two hundred twenty-three".