1423455056 has 40 divisors (see below), whose sum is σ = 2852775744. Its totient is φ = 687594240.

The previous prime is 1423455049. The next prime is 1423455109. The reversal of 1423455056 is 6505543241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57035 + ... + 78101.

Almost surely, 2^1423455056 is an apocalyptic number.

1423455056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1423455056 is an abundant number, since it is smaller than the sum of its proper divisors (1429320688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423455056 is a wasteful number, since it uses less digits than its factorization.

1423455056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21219 (or 21213 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 1423455056 is about 37728.7033437408. The cubic root of 1423455056 is about 1124.9017345611.

Adding to 1423455056 its reverse (6505543241), we get a palindrome (7928998297).

The spelling of 1423455056 in words is "one billion, four hundred twenty-three million, four hundred fifty-five thousand, fifty-six".