1404120323 has 4 divisors (see below), whose sum is σ = 1436774328. Its totient is φ = 1371466320.

The previous prime is 1404120269. The next prime is 1404120343. The reversal of 1404120323 is 3230214041.

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 1404120323 - 2²⁴ = 1387343107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1404120295 and 1404120304.

It is not an unprimeable number, because it can be changed into a prime (1404120343) 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, 16326938 + ... + 16327023.

It is an arithmetic number, because the mean of its divisors is an integer number (359193582).

Almost surely, 2^1404120323 is an apocalyptic number.

1404120323 is a deficient number, since it is larger than the sum of its proper divisors (32654005).

1404120323 is an equidigital number, since it uses as much as digits as its factorization.

1404120323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32654004.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1404120323 is about 37471.5935476462. The cubic root of 1404120323 is about 1119.7853338052.

Adding to 1404120323 its reverse (3230214041), we get a palindrome (4634334364).

The spelling of 1404120323 in words is "one billion, four hundred four million, one hundred twenty thousand, three hundred twenty-three".