1423555216 has 40 divisors (see below), whose sum is σ = 2850603264. Its totient is φ = 687972480.

The previous prime is 1423555193. The next prime is 1423555229. The reversal of 1423555216 is 6125553241.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635250 + ... + 637486.

Almost surely, 2^1423555216 is an apocalyptic number.

1423555216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1423555216 is an abundant number, since it is smaller than the sum of its proper divisors (1427048048).

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

1423555216 is a wasteful number, since it uses less digits than its factorization.

1423555216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559 (or 3553 counting only the distinct ones).

The product of its digits is 36000, while the sum is 34.

The square root of 1423555216 is about 37730.0306917447. The cubic root of 1423555216 is about 1124.9281181397.

The spelling of 1423555216 in words is "one billion, four hundred twenty-three million, five hundred fifty-five thousand, two hundred sixteen".