13123021022231 has 2 divisors, whose sum is σ = 13123021022232. Its totient is φ = 13123021022230.

The previous prime is 13123021022227. The next prime is 13123021022249. The reversal of 13123021022231 is 13222012032131.

13123021022231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13123021022231 - 2² = 13123021022227 is a prime.

It is a super-2 number, since 2×13123021022231² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13123021022197 and 13123021022206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13128021022231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6561510511115 + 6561510511116.

It is an arithmetic number, because the mean of its divisors is an integer number (6561510511116).

Almost surely, 2^{13123021022231} is an apocalyptic number.

13123021022231 is a deficient number, since it is larger than the sum of its proper divisors (1).

13123021022231 is an equidigital number, since it uses as much as digits as its factorization.

13123021022231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13123021022231 its reverse (13222012032131), we get a palindrome (26345033054362).

The spelling of 13123021022231 in words is "thirteen trillion, one hundred twenty-three billion, twenty-one million, twenty-two thousand, two hundred thirty-one".