608639122823 has 2 divisors, whose sum is σ = 608639122824. Its totient is φ = 608639122822.

The previous prime is 608639122783. The next prime is 608639122849. The reversal of 608639122823 is 328221936806.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 608639122823 - 2¹² = 608639118727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (608639121823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304319561411 + 304319561412.

It is an arithmetic number, because the mean of its divisors is an integer number (304319561412).

Almost surely, 2^608639122823 is an apocalyptic number.

608639122823 is a deficient number, since it is larger than the sum of its proper divisors (1).

608639122823 is an equidigital number, since it uses as much as digits as its factorization.

608639122823 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 50.

The spelling of 608639122823 in words is "six hundred eight billion, six hundred thirty-nine million, one hundred twenty-two thousand, eight hundred twenty-three".