616415523223 has 2 divisors, whose sum is σ = 616415523224. Its totient is φ = 616415523222.

The previous prime is 616415523083. The next prime is 616415523299. The reversal of 616415523223 is 322325514616.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-616415523223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616415523523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308207761611 + 308207761612.

It is an arithmetic number, because the mean of its divisors is an integer number (308207761612).

Almost surely, 2^616415523223 is an apocalyptic number.

616415523223 is a deficient number, since it is larger than the sum of its proper divisors (1).

616415523223 is an equidigital number, since it uses as much as digits as its factorization.

616415523223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 40.

The spelling of 616415523223 in words is "six hundred sixteen billion, four hundred fifteen million, five hundred twenty-three thousand, two hundred twenty-three".