1423983 has 8 divisors (see below), whose sum is σ = 2071296. Its totient is φ = 863000.

The previous prime is 1423979. The next prime is 1423991. The reversal of 1423983 is 3893241.

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 1423983 - 2² = 1423979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1423983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21543 + ... + 21608.

It is an arithmetic number, because the mean of its divisors is an integer number (258912).

2^1423983 is an apocalyptic number.

1423983 is a deficient number, since it is larger than the sum of its proper divisors (647313).

1423983 is a wasteful number, since it uses less digits than its factorization.

1423983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43165.

The product of its digits is 5184, while the sum is 30.

The square root of 1423983 is about 1193.3075881767. The cubic root of 1423983 is about 112.5040788645.

The spelling of 1423983 in words is "one million, four hundred twenty-three thousand, nine hundred eighty-three".