1323073 has 2 divisors, whose sum is σ = 1323074. Its totient is φ = 1323072.

The previous prime is 1323053. The next prime is 1323079. The reversal of 1323073 is 3703231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1149184 + 173889 = 1072^2 + 417^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323073 - 2⁵ = 1323041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1323073.

It is not a weakly prime, because it can be changed into another prime (1323079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661536 + 661537.

It is an arithmetic number, because the mean of its divisors is an integer number (661537).

2^1323073 is an apocalyptic number.

It is an amenable number.

1323073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323073 is an equidigital number, since it uses as much as digits as its factorization.

1323073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 19.

The square root of 1323073 is about 1150.2491034554. The cubic root of 1323073 is about 109.7811903816.

The spelling of 1323073 in words is "one million, three hundred twenty-three thousand, seventy-three".