1323743 has 2 divisors, whose sum is σ = 1323744. Its totient is φ = 1323742.

The previous prime is 1323737. The next prime is 1323779. The reversal of 1323743 is 3473231.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1323743 - 2⁴ = 1323727 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661871 + 661872.

It is an arithmetic number, because the mean of its divisors is an integer number (661872).

2^1323743 is an apocalyptic number.

1323743 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323743 is an equidigital number, since it uses as much as digits as its factorization.

1323743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 23.

The square root of 1323743 is about 1150.5403078554. The cubic root of 1323743 is about 109.7997182041.

Subtracting from 1323743 its product of digits (1512), we obtain a palindrome (1322231).

Adding to 1323743 its reverse (3473231), we get a palindrome (4796974).

The spelling of 1323743 in words is "one million, three hundred twenty-three thousand, seven hundred forty-three".