1232320233205 has 16 divisors (see below), whose sum is σ = 1550732701680. Its totient is φ = 938821943808.

The previous prime is 1232320233203. The next prime is 1232320233223. The reversal of 1232320233205 is 5023320232321.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 772951204 + 1231547282001 = 27802^2 + 1109751^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232320233205 - 2¹ = 1232320233203 is a prime.

It is a super-2 number, since 2×1232320233205² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232320233203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58200102 + ... + 58221271.

It is an arithmetic number, because the mean of its divisors is an integer number (96920793855).

Almost surely, 2^{1232320233205} is an apocalyptic number.

It is an amenable number.

1232320233205 is a deficient number, since it is larger than the sum of its proper divisors (318412468475).

1232320233205 is a wasteful number, since it uses less digits than its factorization.

1232320233205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116421480.

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 1232320233205 its reverse (5023320232321), we get a palindrome (6255640465526).

The spelling of 1232320233205 in words is "one trillion, two hundred thirty-two billion, three hundred twenty million, two hundred thirty-three thousand, two hundred five".