1423211344 has 20 divisors (see below), whose sum is σ = 2758144896. Its totient is φ = 711432032.

The previous prime is 1423211297. The next prime is 1423211357. The reversal of 1423211344 is 4431123241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79617 + ... + 95839.

Almost surely, 2^1423211344 is an apocalyptic number.

It is an amenable number.

1423211344 is a deficient number, since it is larger than the sum of its proper divisors (1334933552).

1423211344 is a wasteful number, since it uses less digits than its factorization.

1423211344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21714 (or 21708 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 1423211344 is about 37725.4734098858. The cubic root of 1423211344 is about 1124.8375321596.

Adding to 1423211344 its reverse (4431123241), we get a palindrome (5854334585).

The spelling of 1423211344 in words is "one billion, four hundred twenty-three million, two hundred eleven thousand, three hundred forty-four".