1423523304 has 144 divisors (see below), whose sum is σ = 4548791520. Its totient is φ = 400921920.

The previous prime is 1423523303. The next prime is 1423523329. The reversal of 1423523304 is 4033253241.

1423523304 is a `hidden beast` number, since 1 + 4 + 2 + 352 + 3 + 304 = 666.

It is not an unprimeable number, because it can be changed into a prime (1423523303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 247647 + ... + 253329.

It is an arithmetic number, because the mean of its divisors is an integer number (31588830).

Almost surely, 2^1423523304 is an apocalyptic number.

1423523304 is a gapful number since it is divisible by the number (14) 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 1423523304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2274395760).

1423523304 is an abundant number, since it is smaller than the sum of its proper divisors (3125268216).

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

1423523304 is a wasteful number, since it uses less digits than its factorization.

1423523304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5780 (or 5766 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 1423523304 is about 37729.6077901692. The cubic root of 1423523304 is about 1124.9197121962.

Adding to 1423523304 its reverse (4033253241), we get a palindrome (5456776545).

The spelling of 1423523304 in words is "one billion, four hundred twenty-three million, five hundred twenty-three thousand, three hundred four".