1320242323 has 4 divisors (see below), whose sum is σ = 1320407560. Its totient is φ = 1320077088.

The previous prime is 1320242293. The next prime is 1320242347. The reversal of 1320242323 is 3232420231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1320242323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1320242294 and 1320242303.

It is not an unprimeable number, because it can be changed into a prime (1320242923) 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, 69990 + ... + 86827.

It is an arithmetic number, because the mean of its divisors is an integer number (330101890).

Almost surely, 2^1320242323 is an apocalyptic number.

1320242323 is a deficient number, since it is larger than the sum of its proper divisors (165237).

1320242323 is an equidigital number, since it uses as much as digits as its factorization.

1320242323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165236.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 1320242323 is about 36335.1389566629. The cubic root of 1320242323 is about 1097.0284323782.

Adding to 1320242323 its reverse (3232420231), we get a palindrome (4552662554).

The spelling of 1320242323 in words is "one billion, three hundred twenty million, two hundred forty-two thousand, three hundred twenty-three".