12020313023 has 4 divisors (see below), whose sum is σ = 12408065088. Its totient is φ = 11632560960.

The previous prime is 12020313013. The next prime is 12020313031. The reversal of 12020313023 is 32031302021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12020313023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12020312992 and 12020313010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020313013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193875986 + ... + 193876047.

It is an arithmetic number, because the mean of its divisors is an integer number (3102016272).

Almost surely, 2^12020313023 is an apocalyptic number.

12020313023 is a deficient number, since it is larger than the sum of its proper divisors (387752065).

12020313023 is an equidigital number, since it uses as much as digits as its factorization.

12020313023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387752064.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12020313023 its reverse (32031302021), we get a palindrome (44051615044).

The spelling of 12020313023 in words is "twelve billion, twenty million, three hundred thirteen thousand, twenty-three".