1453423 has 4 divisors (see below), whose sum is σ = 1456408. Its totient is φ = 1450440.

The previous prime is 1453411. The next prime is 1453427. The reversal of 1453423 is 3243541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3243541 = 7 ⋅463363.

It is a cyclic number.

It is not a de Polignac number, because 1453423 - 2⁵ = 1453391 is a prime.

It is a super-2 number, since 2×1453423² = 4224876833858, which contains 22 as substring.

It is a Duffinian number.

1453423 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1453394 and 1453403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 573 + ... + 1798.

It is an arithmetic number, because the mean of its divisors is an integer number (364102).

2^1453423 is an apocalyptic number.

1453423 is a deficient number, since it is larger than the sum of its proper divisors (2985).

1453423 is an equidigital number, since it uses as much as digits as its factorization.

1453423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2984.

The product of its digits is 1440, while the sum is 22.

The square root of 1453423 is about 1205.5799434297. The cubic root of 1453423 is about 113.2741145835.

Adding to 1453423 its reverse (3243541), we get a palindrome (4696964).

The spelling of 1453423 in words is "one million, four hundred fifty-three thousand, four hundred twenty-three".