1323423 has 6 divisors (see below), whose sum is σ = 1911624. Its totient is φ = 882276.

The previous prime is 1323409. The next prime is 1323431. The reversal of 1323423 is 3243231.

It is not a de Polignac number, because 1323423 - 2¹³ = 1315231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1323396 and 1323405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73515 + ... + 73532.

It is an arithmetic number, because the mean of its divisors is an integer number (318604).

2^1323423 is an apocalyptic number.

1323423 is a deficient number, since it is larger than the sum of its proper divisors (588201).

1323423 is a wasteful number, since it uses less digits than its factorization.

1323423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147053 (or 147050 counting only the distinct ones).

The product of its digits is 432, while the sum is 18.

The square root of 1323423 is about 1150.4012343526. The cubic root of 1323423 is about 109.7908698750.

Adding to 1323423 its reverse (3243231), we get a palindrome (4566654).

It can be divided in two parts, 13 and 23423, that added together give a triangular number (23436 = T₂₁₆).

The spelling of 1323423 in words is "one million, three hundred twenty-three thousand, four hundred twenty-three".