12222223577723 has 2 divisors, whose sum is σ = 12222223577724. Its totient is φ = 12222223577722.

The previous prime is 12222223577699. The next prime is 12222223577803. The reversal of 12222223577723 is 32777532222221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12222223577723 - 2¹⁸ = 12222223315579 is a prime.

It is not a weakly prime, because it can be changed into another prime (12222223577023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111111788861 + 6111111788862.

It is an arithmetic number, because the mean of its divisors is an integer number (6111111788862).

Almost surely, 2^{12222223577723} is an apocalyptic number.

12222223577723 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222223577723 is an equidigital number, since it uses as much as digits as its factorization.

12222223577723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1975680, while the sum is 47.

Adding to 12222223577723 its reverse (32777532222221), we get a palindrome (44999755799944).

The spelling of 12222223577723 in words is "twelve trillion, two hundred twenty-two billion, two hundred twenty-three million, five hundred seventy-seven thousand, seven hundred twenty-three".