1323312023 has 24 divisors (see below), whose sum is σ = 1500399600. Its totient is φ = 1165507200.

The previous prime is 1323312007. The next prime is 1323312037. The reversal of 1323312023 is 3202133231.

It is not a de Polignac number, because 1323312023 - 2⁴ = 1323312007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1323311986 and 1323312004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323312073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 778028 + ... + 779726.

It is an arithmetic number, because the mean of its divisors is an integer number (62516650).

Almost surely, 2^1323312023 is an apocalyptic number.

1323312023 is a deficient number, since it is larger than the sum of its proper divisors (177087577).

1323312023 is a wasteful number, since it uses less digits than its factorization.

1323312023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919 (or 1908 counting only the distinct ones).

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

The square root of 1323312023 is about 36377.3559099614. The cubic root of 1323312023 is about 1097.8780091366.

Adding to 1323312023 its reverse (3202133231), we get a palindrome (4525445254).

The spelling of 1323312023 in words is "one billion, three hundred twenty-three million, three hundred twelve thousand, twenty-three".