1423904118 has 128 divisors (see below), whose sum is σ = 3817497600. Its totient is φ = 343429632.

The previous prime is 1423904081. The next prime is 1423904123. The reversal of 1423904118 is 8114093241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 298480 + ... + 303212.

It is an arithmetic number, because the mean of its divisors is an integer number (29824200).

Almost surely, 2^1423904118 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1423904118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1908748800).

1423904118 is an abundant number, since it is smaller than the sum of its proper divisors (2393593482).

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

1423904118 is a wasteful number, since it uses less digits than its factorization.

1423904118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4806.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 1423904118 is about 37734.6540728811. The cubic root of 1423904118 is about 1125.0200142612.

Adding to 1423904118 its reverse (8114093241), we get a palindrome (9537997359).

The spelling of 1423904118 in words is "one billion, four hundred twenty-three million, nine hundred four thousand, one hundred eighteen".