1422343243 has 2 divisors, whose sum is σ = 1422343244. Its totient is φ = 1422343242.

The previous prime is 1422343217. The next prime is 1422343291. The reversal of 1422343243 is 3423432241.

It is a weak prime.

It is an emirp because it is prime and its reverse (3423432241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1422343243 is a prime.

It is not a weakly prime, because it can be changed into another prime (1422343343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711171621 + 711171622.

It is an arithmetic number, because the mean of its divisors is an integer number (711171622).

Almost surely, 2^1422343243 is an apocalyptic number.

1422343243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422343243 is an equidigital number, since it uses as much as digits as its factorization.

1422343243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 28.

The square root of 1422343243 is about 37713.9661531375. The cubic root of 1422343243 is about 1124.6087839384.

Adding to 1422343243 its reverse (3423432241), we get a palindrome (4845775484).

The spelling of 1422343243 in words is "one billion, four hundred twenty-two million, three hundred forty-three thousand, two hundred forty-three".