123330323231 has 4 divisors (see below), whose sum is σ = 125171074392. Its totient is φ = 121489572072.

The previous prime is 123330323191. The next prime is 123330323269. The reversal of 123330323231 is 132323033321.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 123330323231 - 2²⁶ = 123263214367 is a prime.

It is a super-2 number, since 2×123330323231² (a number of 23 digits) 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 123330323231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123330323531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 920375480 + ... + 920375613.

It is an arithmetic number, because the mean of its divisors is an integer number (31292768598).

Almost surely, 2^123330323231 is an apocalyptic number.

123330323231 is a deficient number, since it is larger than the sum of its proper divisors (1840751161).

123330323231 is an equidigital number, since it uses as much as digits as its factorization.

123330323231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840751160.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 123330323231 its reverse (132323033321), we get a palindrome (255653356552).

The spelling of 123330323231 in words is "one hundred twenty-three billion, three hundred thirty million, three hundred twenty-three thousand, two hundred thirty-one".