12131220023023 has 4 divisors (see below), whose sum is σ = 12131447768640. Its totient is φ = 12130992277408.

The previous prime is 12131220023009. The next prime is 12131220023051. The reversal of 12131220023023 is 32032002213121.

12131220023023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12131220023023 - 2⁹ = 12131220022511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12131220022985 and 12131220023003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131220023723) 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, 113792890 + ... + 113899447.

It is an arithmetic number, because the mean of its divisors is an integer number (3032861942160).

Almost surely, 2^{12131220023023} is an apocalyptic number.

12131220023023 is a deficient number, since it is larger than the sum of its proper divisors (227745617).

12131220023023 is an equidigital number, since it uses as much as digits as its factorization.

12131220023023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227745616.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12131220023023 its reverse (32032002213121), we get a palindrome (44163222236144).

The spelling of 12131220023023 in words is "twelve trillion, one hundred thirty-one billion, two hundred twenty million, twenty-three thousand, twenty-three".