1423206408 has 128 divisors (see below), whose sum is σ = 4086270720. Its totient is φ = 409190400.

The previous prime is 1423206377. The next prime is 1423206451. The reversal of 1423206408 is 8046023241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 800016 + ... + 801792.

It is an arithmetic number, because the mean of its divisors is an integer number (31923990).

Almost surely, 2^1423206408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1423206408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2043135360).

1423206408 is an abundant number, since it is smaller than the sum of its proper divisors (2663064312).

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

1423206408 is a wasteful number, since it uses less digits than its factorization.

1423206408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967 (or 1963 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 1423206408 is about 37725.4079898415. The cubic root of 1423206408 is about 1124.8362317661.

Adding to 1423206408 its reverse (8046023241), we get a palindrome (9469229649).

The spelling of 1423206408 in words is "one billion, four hundred twenty-three million, two hundred six thousand, four hundred eight".