12320523031 has 2 divisors, whose sum is σ = 12320523032. Its totient is φ = 12320523030.

The previous prime is 12320523023. The next prime is 12320523049. The reversal of 12320523031 is 13032502321.

It is a weak prime.

It is an emirp because it is prime and its reverse (13032502321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12320523031 - 2³ = 12320523023 is a prime.

It is a super-2 number, since 2×12320523031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12320522993 and 12320523011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12320523431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160261515 + 6160261516.

It is an arithmetic number, because the mean of its divisors is an integer number (6160261516).

Almost surely, 2^12320523031 is an apocalyptic number.

12320523031 is a deficient number, since it is larger than the sum of its proper divisors (1).

12320523031 is an equidigital number, since it uses as much as digits as its factorization.

12320523031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 22.

The spelling of 12320523031 in words is "twelve billion, three hundred twenty million, five hundred twenty-three thousand, thirty-one".