616443415223 has 2 divisors, whose sum is σ = 616443415224. Its totient is φ = 616443415222.

The previous prime is 616443415207. The next prime is 616443415243. The reversal of 616443415223 is 322514344616.

616443415223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 616443415223 - 2⁴ = 616443415207 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616443415243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308221707611 + 308221707612.

It is an arithmetic number, because the mean of its divisors is an integer number (308221707612).

Almost surely, 2^616443415223 is an apocalyptic number.

616443415223 is a deficient number, since it is larger than the sum of its proper divisors (1).

616443415223 is an equidigital number, since it uses as much as digits as its factorization.

616443415223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 41.

Adding to 616443415223 its reverse (322514344616), we get a palindrome (938957759839).

The spelling of 616443415223 in words is "six hundred sixteen billion, four hundred forty-three million, four hundred fifteen thousand, two hundred twenty-three".