1323955 has 4 divisors (see below), whose sum is σ = 1588752. Its totient is φ = 1059160.

The previous prime is 1323941. The next prime is 1323967. The reversal of 1323955 is 5593231.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1323955 - 2⁵ = 1323923 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 132391 + ... + 132400.

It is an arithmetic number, because the mean of its divisors is an integer number (397188).

2^1323955 is an apocalyptic number.

1323955 is a deficient number, since it is larger than the sum of its proper divisors (264797).

1323955 is an equidigital number, since it uses as much as digits as its factorization.

1323955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264796.

The product of its digits is 4050, while the sum is 28.

The square root of 1323955 is about 1150.6324347940. The cubic root of 1323955 is about 109.8055794370.

It can be divided in two parts, 1323 and 955, that added together give a triangular number (2278 = T₆₇).

The spelling of 1323955 in words is "one million, three hundred twenty-three thousand, nine hundred fifty-five".