1202423422279 has 2 divisors, whose sum is σ = 1202423422280. Its totient is φ = 1202423422278.

The previous prime is 1202423422273. The next prime is 1202423422349. The reversal of 1202423422279 is 9722243242021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1202423422279 - 2¹⁵ = 1202423389511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202423422273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601211711139 + 601211711140.

It is an arithmetic number, because the mean of its divisors is an integer number (601211711140).

Almost surely, 2^{1202423422279} is an apocalyptic number.

1202423422279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202423422279 is an equidigital number, since it uses as much as digits as its factorization.

1202423422279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 1202423422279 in words is "one trillion, two hundred two billion, four hundred twenty-three million, four hundred twenty-two thousand, two hundred seventy-nine".