13123036229 has 2 divisors, whose sum is σ = 13123036230. Its totient is φ = 13123036228.

The previous prime is 13123036207. The next prime is 13123036259. The reversal of 13123036229 is 92263032131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7093513729 + 6029522500 = 84223^2 + 77650^2 .

It is a cyclic number.

It is not a de Polignac number, because 13123036229 - 2¹² = 13123032133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13123036195 and 13123036204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13123036259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6561518114 + 6561518115.

It is an arithmetic number, because the mean of its divisors is an integer number (6561518115).

Almost surely, 2^13123036229 is an apocalyptic number.

It is an amenable number.

13123036229 is a deficient number, since it is larger than the sum of its proper divisors (1).

13123036229 is an equidigital number, since it uses as much as digits as its factorization.

13123036229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 32.

The spelling of 13123036229 in words is "thirteen billion, one hundred twenty-three million, thirty-six thousand, two hundred twenty-nine".