1423303040 has 32 divisors (see below), whose sum is σ = 3402585360. Its totient is φ = 569320960.

The previous prime is 1423303039. The next prime is 1423303051. The reversal of 1423303040 is 403033241.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (20).

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 3 ways as a sum of consecutive naturals, for example, 1111316 + ... + 1112595.

Almost surely, 2^1423303040 is an apocalyptic number.

1423303040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1423303040 is an abundant number, since it is smaller than the sum of its proper divisors (1979282320).

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

1423303040 is an equidigital number, since it uses as much as digits as its factorization.

1423303040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223930 (or 2223918 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1423303040 is about 37726.6886964653. The cubic root of 1423303040 is about 1124.8616890045.

Adding to 1423303040 its reverse (403033241), we get a palindrome (1826336281).

The spelling of 1423303040 in words is "one billion, four hundred twenty-three million, three hundred three thousand, forty".