1323953705 has 4 divisors (see below), whose sum is σ = 1588744452. Its totient is φ = 1059162960.

The previous prime is 1323953677. The next prime is 1323953707. The reversal of 1323953705 is 5073593231.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1040772121 + 283181584 = 32261^2 + 16828^2 .

It is not a de Polignac number, because 1323953705 - 2¹⁶ = 1323888169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323953707) 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, 132395366 + ... + 132395375.

It is an arithmetic number, because the mean of its divisors is an integer number (397186113).

Almost surely, 2^1323953705 is an apocalyptic number.

It is an amenable number.

1323953705 is a deficient number, since it is larger than the sum of its proper divisors (264790747).

1323953705 is an equidigital number, since it uses as much as digits as its factorization.

1323953705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264790746.

The product of its (nonzero) digits is 85050, while the sum is 38.

The square root of 1323953705 is about 36386.1746409265. The cubic root of 1323953705 is about 1098.0554363558.

The spelling of 1323953705 in words is "one billion, three hundred twenty-three million, nine hundred fifty-three thousand, seven hundred five".