1342123379 has 2 divisors, whose sum is σ = 1342123380. Its totient is φ = 1342123378.

The previous prime is 1342123369. The next prime is 1342123417. The reversal of 1342123379 is 9733212431.

It is a weak prime.

It is an emirp because it is prime and its reverse (9733212431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1342123379 - 2²⁰ = 1341074803 is a prime.

It is not a weakly prime, because it can be changed into another prime (1342123319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671061689 + 671061690.

It is an arithmetic number, because the mean of its divisors is an integer number (671061690).

Almost surely, 2^1342123379 is an apocalyptic number.

1342123379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342123379 is an equidigital number, since it uses as much as digits as its factorization.

1342123379 is an evil number, because the sum of its binary digits is even.

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

The square root of 1342123379 is about 36635.0021018151. The cubic root of 1342123379 is about 1103.0557948907.

The spelling of 1342123379 in words is "one billion, three hundred forty-two million, one hundred twenty-three thousand, three hundred seventy-nine".