1323957 has 4 divisors (see below), whose sum is σ = 1765280. Its totient is φ = 882636.

The previous prime is 1323941. The next prime is 1323967. The reversal of 1323957 is 7593231.

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 not a de Polignac number, because 1323957 - 2⁴ = 1323941 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220657 + ... + 220662.

It is an arithmetic number, because the mean of its divisors is an integer number (441320).

2^1323957 is an apocalyptic number.

It is an amenable number.

1323957 is a deficient number, since it is larger than the sum of its proper divisors (441323).

1323957 is an equidigital number, since it uses as much as digits as its factorization.

1323957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441322.

The product of its digits is 5670, while the sum is 30.

The square root of 1323957 is about 1150.6333038810. The cubic root of 1323957 is about 109.8056347286.

The spelling of 1323957 in words is "one million, three hundred twenty-three thousand, nine hundred fifty-seven".