1123020323279 has 2 divisors, whose sum is σ = 1123020323280. Its totient is φ = 1123020323278.

The previous prime is 1123020323189. The next prime is 1123020323287. The reversal of 1123020323279 is 9723230203211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1123020323279 - 2³² = 1118725355983 is a prime.

It is a super-2 number, since 2×1123020323279² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123020323479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561510161639 + 561510161640.

It is an arithmetic number, because the mean of its divisors is an integer number (561510161640).

Almost surely, 2^{1123020323279} is an apocalyptic number.

1123020323279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123020323279 is an equidigital number, since it uses as much as digits as its factorization.

1123020323279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 35.

The spelling of 1123020323279 in words is "one trillion, one hundred twenty-three billion, twenty million, three hundred twenty-three thousand, two hundred seventy-nine".