1324397923 has 2 divisors, whose sum is σ = 1324397924. Its totient is φ = 1324397922.

The previous prime is 1324397917. The next prime is 1324397927. The reversal of 1324397923 is 3297934231.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1324397923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1324397923.

It is not a weakly prime, because it can be changed into another prime (1324397927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662198961 + 662198962.

It is an arithmetic number, because the mean of its divisors is an integer number (662198962).

Almost surely, 2^1324397923 is an apocalyptic number.

1324397923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1324397923 is an equidigital number, since it uses as much as digits as its factorization.

1324397923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 43.

The square root of 1324397923 is about 36392.2783430771. The cubic root of 1324397923 is about 1098.1782305402.

The spelling of 1324397923 in words is "one billion, three hundred twenty-four million, three hundred ninety-seven thousand, nine hundred twenty-three".