611223044623 has 2 divisors, whose sum is σ = 611223044624. Its totient is φ = 611223044622.

The previous prime is 611223044611. The next prime is 611223044629. The reversal of 611223044623 is 326440322116.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 611223044623 - 2⁵ = 611223044591 is a prime.

It is a super-2 number, since 2×611223044623² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (611223044629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305611522311 + 305611522312.

It is an arithmetic number, because the mean of its divisors is an integer number (305611522312).

Almost surely, 2^611223044623 is an apocalyptic number.

611223044623 is a deficient number, since it is larger than the sum of its proper divisors (1).

611223044623 is an equidigital number, since it uses as much as digits as its factorization.

611223044623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 611223044623 its reverse (326440322116), we get a palindrome (937663366739).

The spelling of 611223044623 in words is "six hundred eleven billion, two hundred twenty-three million, forty-four thousand, six hundred twenty-three".