612289456223 has 2 divisors, whose sum is σ = 612289456224. Its totient is φ = 612289456222.

The previous prime is 612289456217. The next prime is 612289456241. The reversal of 612289456223 is 322654982216.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 612289456223 - 2⁶ = 612289456159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612289456523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306144728111 + 306144728112.

It is an arithmetic number, because the mean of its divisors is an integer number (306144728112).

Almost surely, 2^612289456223 is an apocalyptic number.

612289456223 is a deficient number, since it is larger than the sum of its proper divisors (1).

612289456223 is an equidigital number, since it uses as much as digits as its factorization.

612289456223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2488320, while the sum is 50.

The spelling of 612289456223 in words is "six hundred twelve billion, two hundred eighty-nine million, four hundred fifty-six thousand, two hundred twenty-three".