1232331123 has 4 divisors (see below), whose sum is σ = 1643108168. Its totient is φ = 821554080.

The previous prime is 1232331103. The next prime is 1232331161. The reversal of 1232331123 is 3211332321.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1232331123 - 2⁶ = 1232331059 is a prime.

It is a super-2 number, since 2×1232331123² = 3037279993428882258, which contains 22 as substring.

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 1232331123.

It is not an unprimeable number, because it can be changed into a prime (1232331103) 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 3 ways as a sum of consecutive naturals, for example, 205388518 + ... + 205388523.

It is an arithmetic number, because the mean of its divisors is an integer number (410777042).

Almost surely, 2^1232331123 is an apocalyptic number.

1232331123 is a deficient number, since it is larger than the sum of its proper divisors (410777045).

1232331123 is an equidigital number, since it uses as much as digits as its factorization.

1232331123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410777044.

The product of its digits is 648, while the sum is 21.

The square root of 1232331123 is about 35104.5741036692. The cubic root of 1232331123 is about 1072.1177155368.

Adding to 1232331123 its reverse (3211332321), we get a palindrome (4443663444).

The spelling of 1232331123 in words is "one billion, two hundred thirty-two million, three hundred thirty-one thousand, one hundred twenty-three".