1323923 has 2 divisors, whose sum is σ = 1323924. Its totient is φ = 1323922.

The previous prime is 1323919. The next prime is 1323941. The reversal of 1323923 is 3293231.

It is a weak prime.

It is an emirp because it is prime and its reverse (3293231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1323923 - 2² = 1323919 is a prime.

It is a Sophie Germain prime.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (1323323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661961 + 661962.

It is an arithmetic number, because the mean of its divisors is an integer number (661962).

2^1323923 is an apocalyptic number.

1323923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323923 is an equidigital number, since it uses as much as digits as its factorization.

1323923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972, while the sum is 23.

The square root of 1323923 is about 1150.6185293137. The cubic root of 1323923 is about 109.8046947627.

The spelling of 1323923 in words is "one million, three hundred twenty-three thousand, nine hundred twenty-three".