1342421123 has 2 divisors, whose sum is σ = 1342421124. Its totient is φ = 1342421122.

The previous prime is 1342421077. The next prime is 1342421131. The reversal of 1342421123 is 3211242431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1342421123 - 2⁸ = 1342420867 is a prime.

It is a super-2 number, since 2×1342421123² = 3604188942953162258, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1342421183) 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, 671210561 + 671210562.

It is an arithmetic number, because the mean of its divisors is an integer number (671210562).

Almost surely, 2^1342421123 is an apocalyptic number.

1342421123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342421123 is an equidigital number, since it uses as much as digits as its factorization.

1342421123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 23.

The square root of 1342421123 is about 36639.0655312059. The cubic root of 1342421123 is about 1103.1373581722.

Adding to 1342421123 its reverse (3211242431), we get a palindrome (4553663554).

The spelling of 1342421123 in words is "one billion, three hundred forty-two million, four hundred twenty-one thousand, one hundred twenty-three".