1342278823 has 2 divisors, whose sum is σ = 1342278824. Its totient is φ = 1342278822.

The previous prime is 1342278797. The next prime is 1342278829. The reversal of 1342278823 is 3288722431.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1342278823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1342278829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671139411 + 671139412.

It is an arithmetic number, because the mean of its divisors is an integer number (671139412).

Almost surely, 2^1342278823 is an apocalyptic number.

1342278823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342278823 is an equidigital number, since it uses as much as digits as its factorization.

1342278823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 40.

The square root of 1342278823 is about 36637.1235634022. The cubic root of 1342278823 is about 1103.0983783542.

The spelling of 1342278823 in words is "one billion, three hundred forty-two million, two hundred seventy-eight thousand, eight hundred twenty-three".