122443605426313 has 4 divisors (see below), whose sum is σ = 123655918351428. Its totient is φ = 121231292501200.

The previous prime is 122443605426301. The next prime is 122443605426349. The reversal of 122443605426313 is 313624506344221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 113730877723024 + 8712727703289 = 10664468^2 + 2951733^2 .

It is a cyclic number.

It is not a de Polignac number, because 122443605426313 - 2¹⁷ = 122443605295241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122443605406313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606156462406 + ... + 606156462607.

It is an arithmetic number, because the mean of its divisors is an integer number (30913979587857).

Almost surely, 2^{122443605426313} is an apocalyptic number.

It is an amenable number.

122443605426313 is a deficient number, since it is larger than the sum of its proper divisors (1212312925115).

122443605426313 is a wasteful number, since it uses less digits than its factorization.

122443605426313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212312925114.

The product of its (nonzero) digits is 2488320, while the sum is 46.

The spelling of 122443605426313 in words is "one hundred twenty-two trillion, four hundred forty-three billion, six hundred five million, four hundred twenty-six thousand, three hundred thirteen".