1123320307 has 8 divisors (see below), whose sum is σ = 1181107440. Its totient is φ = 1066803360.

The previous prime is 1123320287. The next prime is 1123320329. The reversal of 1123320307 is 7030233211.

It is a happy number.

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 1123320307 - 2⁷ = 1123320179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123320377) 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, 315733 + ... + 319270.

It is an arithmetic number, because the mean of its divisors is an integer number (147638430).

Almost surely, 2^1123320307 is an apocalyptic number.

1123320307 is a deficient number, since it is larger than the sum of its proper divisors (57787133).

1123320307 is an equidigital number, since it uses as much as digits as its factorization.

1123320307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635093.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 1123320307 is about 33515.9709243220. The cubic root of 1123320307 is about 1039.5240385556.

Adding to 1123320307 its reverse (7030233211), we get a palindrome (8153553518).

The spelling of 1123320307 in words is "one billion, one hundred twenty-three million, three hundred twenty thousand, three hundred seven".