1423055056 has 40 divisors (see below), whose sum is σ = 2858020200. Its totient is φ = 685601280.

The previous prime is 1423055041. The next prime is 1423055077. The reversal of 1423055056 is 6505503241.

It can be written as a sum of positive squares in 4 ways, for example, as 65869456 + 1357185600 = 8116^2 + 36840^2 .

It is a congruent number.

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, 248190 + ... + 253858.

It is an arithmetic number, because the mean of its divisors is an integer number (71450505).

Almost surely, 2^1423055056 is an apocalyptic number.

1423055056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1423055056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1429010100).

1423055056 is an abundant number, since it is smaller than the sum of its proper divisors (1434965144).

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

1423055056 is a wasteful number, since it uses less digits than its factorization.

1423055056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6247 (or 6241 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 1423055056 is about 37723.4019674790. The cubic root of 1423055056 is about 1124.7963564892.

Adding to 1423055056 its reverse (6505503241), we get a palindrome (7928558297).

The spelling of 1423055056 in words is "one billion, four hundred twenty-three million, fifty-five thousand, fifty-six".