1323202023 has 24 divisors (see below), whose sum is σ = 2245435920. Its totient is φ = 740252160.

The previous prime is 1323201991. The next prime is 1323202039. The reversal of 1323202023 is 3202023231.

It is a happy number.

It is not a de Polignac number, because 1323202023 - 2⁵ = 1323201991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1323201987 and 1323202005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323202073) 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, 512778 + ... + 515351.

It is an arithmetic number, because the mean of its divisors is an integer number (93559830).

Almost surely, 2^1323202023 is an apocalyptic number.

1323202023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1323202023 is a deficient number, since it is larger than the sum of its proper divisors (922233897).

1323202023 is a wasteful number, since it uses less digits than its factorization.

1323202023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028159 (or 1028156 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 1323202023 is about 36375.8439489725. The cubic root of 1323202023 is about 1097.8475880101.

Adding to 1323202023 its reverse (3202023231), we get a palindrome (4525225254).

The spelling of 1323202023 in words is "one billion, three hundred twenty-three million, two hundred two thousand, twenty-three".