1232120233 has 8 divisors (see below), whose sum is σ = 1264132296. Its totient is φ = 1200201600.

The previous prime is 1232120221. The next prime is 1232120243. The reversal of 1232120233 is 3320212321.

It can be written as a sum of positive squares in 4 ways, for example, as 102353689 + 1129766544 = 10117^2 + 33612^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1232120233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1232120233.

It is not an unprimeable number, because it can be changed into a prime (1232120213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3763 + ... + 49783.

It is an arithmetic number, because the mean of its divisors is an integer number (158016537).

Almost surely, 2^1232120233 is an apocalyptic number.

It is an amenable number.

1232120233 is a deficient number, since it is larger than the sum of its proper divisors (32012063).

1232120233 is an equidigital number, since it uses as much as digits as its factorization.

1232120233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46715.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1232120233 is about 35101.5702355322. The cubic root of 1232120233 is about 1072.0565545389.

Adding to 1232120233 its reverse (3320212321), we get a palindrome (4552332554).

The spelling of 1232120233 in words is "one billion, two hundred thirty-two million, one hundred twenty thousand, two hundred thirty-three".