1323303123 has 16 divisors (see below), whose sum is σ = 1778641920. Its totient is φ = 875107104.

The previous prime is 1323303119. The next prime is 1323303151. The reversal of 1323303123 is 3213033231.

It is not a de Polignac number, because 1323303123 - 2² = 1323303119 is a prime.

It is a super-2 number, since 2×1323303123² = 3502262310683106258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1323303123.

It is not an unprimeable number, because it can be changed into a prime (1323303623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245940 + ... + 251262.

It is an arithmetic number, because the mean of its divisors is an integer number (111165120).

Almost surely, 2^1323303123 is an apocalyptic number.

1323303123 is a deficient number, since it is larger than the sum of its proper divisors (455338797).

1323303123 is a wasteful number, since it uses less digits than its factorization.

1323303123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5978.

The product of its (nonzero) digits is 972, while the sum is 21.

The square root of 1323303123 is about 36377.2335809088. The cubic root of 1323303123 is about 1097.8755478536.

Adding to 1323303123 its reverse (3213033231), we get a palindrome (4536336354).

The spelling of 1323303123 in words is "one billion, three hundred twenty-three million, three hundred three thousand, one hundred twenty-three".