1423433405 has 8 divisors (see below), whose sum is σ = 1708381752. Its totient is φ = 1138572288.

The previous prime is 1423433381. The next prime is 1423433461. The reversal of 1423433405 is 5043343241.

It can be written as a sum of positive squares in 4 ways, for example, as 182329 + 1423251076 = 427^2 + 37726^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1423433405 - 2⁸ = 1423433149 is a prime.

It is a Duffinian number.

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, 22157 + ... + 57773.

It is an arithmetic number, because the mean of its divisors is an integer number (213547719).

Almost surely, 2^1423433405 is an apocalyptic number.

It is an amenable number.

1423433405 is a deficient number, since it is larger than the sum of its proper divisors (284948347).

1423433405 is an equidigital number, since it uses as much as digits as its factorization.

1423433405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43615.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 1423433405 is about 37728.4164125663. The cubic root of 1423433405 is about 1124.8960312149.

Adding to 1423433405 its reverse (5043343241), we get a palindrome (6466776646).

The spelling of 1423433405 in words is "one billion, four hundred twenty-three million, four hundred thirty-three thousand, four hundred five".