1423445055 has 16 divisors (see below), whose sum is σ = 2325970944. Its totient is φ = 743017760.

The previous prime is 1423445047. The next prime is 1423445069. The reversal of 1423445055 is 5505443241.

It is not a de Polignac number, because 1423445055 - 2³ = 1423445047 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1008831 + ... + 1010240.

It is an arithmetic number, because the mean of its divisors is an integer number (145373184).

Almost surely, 2^1423445055 is an apocalyptic number.

1423445055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1423445055 is a deficient number, since it is larger than the sum of its proper divisors (902525889).

1423445055 is a wasteful number, since it uses less digits than its factorization.

1423445055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019126.

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 1423445055 is about 37728.5708051604. The cubic root of 1423445055 is about 1124.8991000865.

Adding to 1423445055 its reverse (5505443241), we get a palindrome (6928888296).

The spelling of 1423445055 in words is "one billion, four hundred twenty-three million, four hundred forty-five thousand, fifty-five".