1303423 has 4 divisors (see below), whose sum is σ = 1421928. Its totient is φ = 1184920.

The previous prime is 1303417. The next prime is 1303427. The reversal of 1303423 is 3243031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3243031 = 11 ⋅294821.

It is not a de Polignac number, because 1303423 - 2⁹ = 1302911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1303397 and 1303406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303427) 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, 59236 + ... + 59257.

It is an arithmetic number, because the mean of its divisors is an integer number (355482).

2^1303423 is an apocalyptic number.

1303423 is a deficient number, since it is larger than the sum of its proper divisors (118505).

1303423 is a wasteful number, since it uses less digits than its factorization.

1303423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118504.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 1303423 is about 1141.6755230800. The cubic root of 1303423 is about 109.2349950679.

Adding to 1303423 its reverse (3243031), we get a palindrome (4546454).

It can be divided in two parts, 130 and 3423, that added together give a palindrome (3553).

The spelling of 1303423 in words is "one million, three hundred three thousand, four hundred twenty-three".