456223678189 has 2 divisors, whose sum is σ = 456223678190. Its totient is φ = 456223678188.

The previous prime is 456223678147. The next prime is 456223678283. The reversal of 456223678189 is 981876322654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 435127568164 + 21096110025 = 659642^2 + 145245^2 .

It is a cyclic number.

It is not a de Polignac number, because 456223678189 - 2⁷ = 456223678061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (456223678129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228111839094 + 228111839095.

It is an arithmetic number, because the mean of its divisors is an integer number (228111839095).

Almost surely, 2^456223678189 is an apocalyptic number.

It is an amenable number.

456223678189 is a deficient number, since it is larger than the sum of its proper divisors (1).

456223678189 is an equidigital number, since it uses as much as digits as its factorization.

456223678189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34836480, while the sum is 61.

The spelling of 456223678189 in words is "four hundred fifty-six billion, two hundred twenty-three million, six hundred seventy-eight thousand, one hundred eighty-nine".