1423121351 has 2 divisors, whose sum is σ = 1423121352. Its totient is φ = 1423121350.

The previous prime is 1423121317. The next prime is 1423121377. The reversal of 1423121351 is 1531213241.

It is a strong prime.

It is an emirp because it is prime and its reverse (1531213241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1423121351 - 2²⁶ = 1356012487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1423121311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711560675 + 711560676.

It is an arithmetic number, because the mean of its divisors is an integer number (711560676).

Almost surely, 2^1423121351 is an apocalyptic number.

1423121351 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423121351 is an equidigital number, since it uses as much as digits as its factorization.

1423121351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 23.

The square root of 1423121351 is about 37724.2806558323. The cubic root of 1423121351 is about 1124.8138229524.

Adding to 1423121351 its reverse (1531213241), we get a palindrome (2954334592).

The spelling of 1423121351 in words is "one billion, four hundred twenty-three million, one hundred twenty-one thousand, three hundred fifty-one".