2013123033391 has 2 divisors, whose sum is σ = 2013123033392. Its totient is φ = 2013123033390.

The previous prime is 2013123033377. The next prime is 2013123033437. The reversal of 2013123033391 is 1933303213102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2013123033391 - 2¹⁹ = 2013122509103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2013123033091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006561516695 + 1006561516696.

It is an arithmetic number, because the mean of its divisors is an integer number (1006561516696).

Almost surely, 2^{2013123033391} is an apocalyptic number.

2013123033391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013123033391 is an equidigital number, since it uses as much as digits as its factorization.

2013123033391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 31.

Adding to 2013123033391 its reverse (1933303213102), we get a palindrome (3946426246493).

The spelling of 2013123033391 in words is "two trillion, thirteen billion, one hundred twenty-three million, thirty-three thousand, three hundred ninety-one".