1232244123457 has 2 divisors, whose sum is σ = 1232244123458. Its totient is φ = 1232244123456.

The previous prime is 1232244123427. The next prime is 1232244123469. The reversal of 1232244123457 is 7543214422321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 977654247696 + 254589875761 = 988764^2 + 504569^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1232244123457 is a prime.

It is not a weakly prime, because it can be changed into another prime (1232244123427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616122061728 + 616122061729.

It is an arithmetic number, because the mean of its divisors is an integer number (616122061729).

Almost surely, 2^{1232244123457} is an apocalyptic number.

It is an amenable number.

1232244123457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232244123457 is an equidigital number, since it uses as much as digits as its factorization.

1232244123457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 40.

Adding to 1232244123457 its reverse (7543214422321), we get a palindrome (8775458545778).

The spelling of 1232244123457 in words is "one trillion, two hundred thirty-two billion, two hundred forty-four million, one hundred twenty-three thousand, four hundred fifty-seven".