1423905219472 has 20 divisors (see below), whose sum is σ = 2758900585356. Its totient is φ = 711930874880.

The previous prime is 1423905219463. The next prime is 1423905219523. The reversal of 1423905219472 is 2749125093241.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 855817410816 + 568087808656 = 925104^2 + 753716^2 .

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, 811273 + ... + 1872424.

Almost surely, 2^{1423905219472} is an apocalyptic number.

It is an amenable number.

1423905219472 is a deficient number, since it is larger than the sum of its proper divisors (1334995365884).

1423905219472 is a wasteful number, since it uses less digits than its factorization.

1423905219472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2716866 (or 2716860 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 1423905219472 in words is "one trillion, four hundred twenty-three billion, nine hundred five million, two hundred nineteen thousand, four hundred seventy-two".