1404423 has 24 divisors (see below), whose sum is σ = 2196480. Its totient is φ = 861840.

The previous prime is 1404419. The next prime is 1404427. The reversal of 1404423 is 3244041.

It is an interprime number because it is at equal distance from previous prime (1404419) and next prime (1404427).

It is not a de Polignac number, because 1404423 - 2² = 1404419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1404396 and 1404405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404427) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 7258 + ... + 7448.

It is an arithmetic number, because the mean of its divisors is an integer number (91520).

2^1404423 is an apocalyptic number.

1404423 is a deficient number, since it is larger than the sum of its proper divisors (792057).

1404423 is a wasteful number, since it uses less digits than its factorization.

1404423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1404423 is about 1185.0835413590. The cubic root of 1404423 is about 111.9865789615.

Adding to 1404423 its reverse (3244041), we get a palindrome (4648464).

The spelling of 1404423 in words is "one million, four hundred four thousand, four hundred twenty-three".