1404013423 has 4 divisors (see below), whose sum is σ = 1417914648. Its totient is φ = 1390112200.

The previous prime is 1404013411. The next prime is 1404013439. The reversal of 1404013423 is 3243104041.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1404013423 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1404013394 and 1404013403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404013463) 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, 6950461 + ... + 6950662.

It is an arithmetic number, because the mean of its divisors is an integer number (354478662).

Almost surely, 2^1404013423 is an apocalyptic number.

1404013423 is a deficient number, since it is larger than the sum of its proper divisors (13901225).

1404013423 is a wasteful number, since it uses less digits than its factorization.

1404013423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13901224.

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

The square root of 1404013423 is about 37470.1671066463. The cubic root of 1404013423 is about 1119.7569155165.

Adding to 1404013423 its reverse (3243104041), we get a palindrome (4647117464).

The spelling of 1404013423 in words is "one billion, four hundred four million, thirteen thousand, four hundred twenty-three".