1404123223 has 4 divisors (see below), whose sum is σ = 1430616168. Its totient is φ = 1377630280.

The previous prime is 1404123191. The next prime is 1404123233. The reversal of 1404123223 is 3223214041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1404123223 - 2⁵ = 1404123191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1404123194 and 1404123203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404123233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13246393 + ... + 13246498.

It is an arithmetic number, because the mean of its divisors is an integer number (357654042).

Almost surely, 2^1404123223 is an apocalyptic number.

1404123223 is a deficient number, since it is larger than the sum of its proper divisors (26492945).

1404123223 is an equidigital number, since it uses as much as digits as its factorization.

1404123223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26492944.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1404123223 is about 37471.6322436053. The cubic root of 1404123223 is about 1119.7861047209.

Adding to 1404123223 its reverse (3223214041), we get a palindrome (4627337264).

The spelling of 1404123223 in words is "one billion, four hundred four million, one hundred twenty-three thousand, two hundred twenty-three".