12231013123 has 8 divisors (see below), whose sum is σ = 13978971648. Its totient is φ = 10483222344.

The previous prime is 12231013121. The next prime is 12231013147. The reversal of 12231013123 is 32131013221.

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

It is not a de Polignac number, because 12231013123 - 2¹ = 12231013121 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 12231013123.

It is not an unprimeable number, because it can be changed into a prime (12231013121) 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, 247590 + ... + 292852.

It is an arithmetic number, because the mean of its divisors is an integer number (1747371456).

Almost surely, 2^12231013123 is an apocalyptic number.

12231013123 is a deficient number, since it is larger than the sum of its proper divisors (1747958525).

12231013123 is an equidigital number, since it uses as much as digits as its factorization.

12231013123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83873.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12231013123 its reverse (32131013221), we get a palindrome (44362026344).

The spelling of 12231013123 in words is "twelve billion, two hundred thirty-one million, thirteen thousand, one hundred twenty-three".