1404023 has 8 divisors (see below), whose sum is σ = 1458000. Its totient is φ = 1351168.

The previous prime is 1403981. The next prime is 1404059. The reversal of 1404023 is 3204041.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1404023 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1403989 and 1404007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404323) 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, 2903 + ... + 3351.

It is an arithmetic number, because the mean of its divisors is an integer number (182250).

2^1404023 is an apocalyptic number.

1404023 is a deficient number, since it is larger than the sum of its proper divisors (53977).

1404023 is an equidigital number, since it uses as much as digits as its factorization.

1404023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1404023 is about 1184.9147648671. The cubic root of 1404023 is about 111.9759461524.

Adding to 1404023 its reverse (3204041), we get a palindrome (4608064).

The spelling of 1404023 in words is "one million, four hundred four thousand, twenty-three".