1523323 has 2 divisors, whose sum is σ = 1523324. Its totient is φ = 1523322.

The previous prime is 1523311. The next prime is 1523329. The reversal of 1523323 is 3233251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1523323 - 2⁹ = 1522811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1523323.

It is not a weakly prime, because it can be changed into another prime (1523329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 761661 + 761662.

It is an arithmetic number, because the mean of its divisors is an integer number (761662).

2^1523323 is an apocalyptic number.

1523323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1523323 is an equidigital number, since it uses as much as digits as its factorization.

1523323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 540, while the sum is 19.

The square root of 1523323 is about 1234.2297192986. The cubic root of 1523323 is about 115.0616682480.

Adding to 1523323 its reverse (3233251), we get a palindrome (4756574).

The spelling of 1523323 in words is "one million, five hundred twenty-three thousand, three hundred twenty-three".