12231012023 has 4 divisors (see below), whose sum is σ = 12385835040. Its totient is φ = 12076189008.

The previous prime is 12231012019. The next prime is 12231012061. The reversal of 12231012023 is 32021013221.

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

It is not a de Polignac number, because 12231012023 - 2² = 12231012019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12231011992 and 12231012010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12231092023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77411390 + ... + 77411547.

It is an arithmetic number, because the mean of its divisors is an integer number (3096458760).

Almost surely, 2^12231012023 is an apocalyptic number.

12231012023 is a deficient number, since it is larger than the sum of its proper divisors (154823017).

12231012023 is an equidigital number, since it uses as much as digits as its factorization.

12231012023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154823016.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12231012023 its reverse (32021013221), we get a palindrome (44252025244).

The spelling of 12231012023 in words is "twelve billion, two hundred thirty-one million, twelve thousand, twenty-three".