1223346433157 has 2 divisors, whose sum is σ = 1223346433158. Its totient is φ = 1223346433156.

The previous prime is 1223346433151. The next prime is 1223346433237. The reversal of 1223346433157 is 7513346433221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1147610842756 + 75735590401 = 1071266^2 + 275201^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223346433157 - 2²⁴ = 1223329655941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223346433151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611673216578 + 611673216579.

It is an arithmetic number, because the mean of its divisors is an integer number (611673216579).

Almost surely, 2^{1223346433157} is an apocalyptic number.

It is an amenable number.

1223346433157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223346433157 is an equidigital number, since it uses as much as digits as its factorization.

1223346433157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 44.

The spelling of 1223346433157 in words is "one trillion, two hundred twenty-three billion, three hundred forty-six million, four hundred thirty-three thousand, one hundred fifty-seven".