1323973 has 4 divisors (see below), whose sum is σ = 1513120. Its totient is φ = 1134828.

The previous prime is 1323967. The next prime is 1323997. The reversal of 1323973 is 3793231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1323973 - 2⁵ = 1323941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94563 + ... + 94576.

It is an arithmetic number, because the mean of its divisors is an integer number (378280).

2^1323973 is an apocalyptic number.

It is an amenable number.

1323973 is a deficient number, since it is larger than the sum of its proper divisors (189147).

1323973 is an equidigital number, since it uses as much as digits as its factorization.

1323973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189146.

The product of its digits is 3402, while the sum is 28.

The square root of 1323973 is about 1150.6402565528. The cubic root of 1323973 is about 109.8060770600.

The spelling of 1323973 in words is "one million, three hundred twenty-three thousand, nine hundred seventy-three".