1323635423 has 8 divisors (see below), whose sum is σ = 1454355840. Its totient is φ = 1194646680.

The previous prime is 1323635413. The next prime is 1323635459. The reversal of 1323635423 is 3245363231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1323635423 - 2²² = 1319441119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1323635423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323635413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431315 + ... + 434372.

It is an arithmetic number, because the mean of its divisors is an integer number (181794480).

Almost surely, 2^1323635423 is an apocalyptic number.

1323635423 is a deficient number, since it is larger than the sum of its proper divisors (130720417).

1323635423 is a wasteful number, since it uses less digits than its factorization.

1323635423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865837.

The product of its digits is 38880, while the sum is 32.

The square root of 1323635423 is about 36381.8007113447. The cubic root of 1323635423 is about 1097.9674374857.

Adding to 1323635423 its reverse (3245363231), we get a palindrome (4568998654).

The spelling of 1323635423 in words is "one billion, three hundred twenty-three million, six hundred thirty-five thousand, four hundred twenty-three".