1423959 has 8 divisors (see below), whose sum is σ = 1939200. Its totient is φ = 929016.

The previous prime is 1423957. The next prime is 1423967. The reversal of 1423959 is 9593241.

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

It is not a de Polignac number, because 1423959 - 2¹ = 1423957 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423957) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4909 + ... + 5190.

It is an arithmetic number, because the mean of its divisors is an integer number (242400).

2^1423959 is an apocalyptic number.

1423959 is a deficient number, since it is larger than the sum of its proper divisors (515241).

1423959 is a wasteful number, since it uses less digits than its factorization.

1423959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10149.

The product of its digits is 9720, while the sum is 33.

The square root of 1423959 is about 1193.2975320514. The cubic root of 1423959 is about 112.5034468080.

The spelling of 1423959 in words is "one million, four hundred twenty-three thousand, nine hundred fifty-nine".