1323031123 has 8 divisors (see below), whose sum is σ = 1394553600. Its totient is φ = 1251697608.

The previous prime is 1323031109. The next prime is 1323031133. The reversal of 1323031123 is 3211303231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1323031123 is a prime.

It is a super-2 number, since 2×1323031123² = 3500822704853282258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

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 1323031123.

It is not an unprimeable number, because it can be changed into a prime (1323031133) 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, 32743 + ... + 60976.

It is an arithmetic number, because the mean of its divisors is an integer number (174319200).

Almost surely, 2^1323031123 is an apocalyptic number.

1323031123 is a deficient number, since it is larger than the sum of its proper divisors (71522477).

1323031123 is an equidigital number, since it uses as much as digits as its factorization.

1323031123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94481.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1323031123 is about 36373.4947867262. The cubic root of 1323031123 is about 1097.8003212970.

Adding to 1323031123 its reverse (3211303231), we get a palindrome (4534334354).

The spelling of 1323031123 in words is "one billion, three hundred twenty-three million, thirty-one thousand, one hundred twenty-three".