1232320023 has 36 divisors (see below), whose sum is σ = 1960437024. Its totient is φ = 745377600.

The previous prime is 1232320009. The next prime is 1232320057. The reversal of 1232320023 is 3200232321.

It is a happy number.

It is not a de Polignac number, because 1232320023 - 2¹⁰ = 1232318999 is a prime.

It is a super-2 number, since 2×1232320023² = 3037225278173441058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1232319978 and 1232320005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232320823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 827986 + ... + 829472.

It is an arithmetic number, because the mean of its divisors is an integer number (54456584).

Almost surely, 2^1232320023 is an apocalyptic number.

1232320023 is a deficient number, since it is larger than the sum of its proper divisors (728117001).

1232320023 is a wasteful number, since it uses less digits than its factorization.

1232320023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276 (or 2262 counting only the distinct ones).

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

The square root of 1232320023 is about 35104.4160042579. The cubic root of 1232320023 is about 1072.1144965583.

Adding to 1232320023 its reverse (3200232321), we get a palindrome (4432552344).

The spelling of 1232320023 in words is "one billion, two hundred thirty-two million, three hundred twenty thousand, twenty-three".