13231123 has 2 divisors, whose sum is σ = 13231124. Its totient is φ = 13231122.

The previous prime is 13231103. The next prime is 13231147. The reversal of 13231123 is 32113231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13231123 - 2¹⁷ = 13100051 is a prime.

It is a super-2 number, since 2×13231123² = 350125231682258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13231097 and 13231106.

It is not a weakly prime, because it can be changed into another prime (13231103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6615561 + 6615562.

It is an arithmetic number, because the mean of its divisors is an integer number (6615562).

Almost surely, 2^13231123 is an apocalyptic number.

13231123 is a deficient number, since it is larger than the sum of its proper divisors (1).

13231123 is an equidigital number, since it uses as much as digits as its factorization.

13231123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108, while the sum is 16.

The square root of 13231123 is about 3637.4610650837. The cubic root of 13231123 is about 236.5187466423.

Adding to 13231123 its reverse (32113231), we get a palindrome (45344354).

The spelling of 13231123 in words is "thirteen million, two hundred thirty-one thousand, one hundred twenty-three".