13123404083 has 2 divisors, whose sum is σ = 13123404084. Its totient is φ = 13123404082.

The previous prime is 13123404079. The next prime is 13123404137. The reversal of 13123404083 is 38040432131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13123404083 - 2² = 13123404079 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (13123404383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6561702041 + 6561702042.

It is an arithmetic number, because the mean of its divisors is an integer number (6561702042).

Almost surely, 2^13123404083 is an apocalyptic number.

13123404083 is a deficient number, since it is larger than the sum of its proper divisors (1).

13123404083 is an equidigital number, since it uses as much as digits as its factorization.

13123404083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 13123404083 in words is "thirteen billion, one hundred twenty-three million, four hundred four thousand, eighty-three".