1320123233 has 8 divisors (see below), whose sum is σ = 1550914176. Its totient is φ = 1107795600.

The previous prime is 1320123229. The next prime is 1320123241. The reversal of 1320123233 is 3323210231.

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 1320123233 - 2² = 1320123229 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320123223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4615673 + ... + 4615958.

It is an arithmetic number, because the mean of its divisors is an integer number (193864272).

Almost surely, 2^1320123233 is an apocalyptic number.

1320123233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1320123233 is a deficient number, since it is larger than the sum of its proper divisors (230790943).

1320123233 is a wasteful number, since it uses less digits than its factorization.

1320123233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9231655.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1320123233 is about 36333.5001479351. The cubic root of 1320123233 is about 1096.9954462508.

Adding to 1320123233 its reverse (3323210231), we get a palindrome (4643333464).

The spelling of 1320123233 in words is "one billion, three hundred twenty million, one hundred twenty-three thousand, two hundred thirty-three".