2013123021223 has 2 divisors, whose sum is σ = 2013123021224. Its totient is φ = 2013123021222.

The previous prime is 2013123021209. The next prime is 2013123021241. The reversal of 2013123021223 is 3221203213102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2013123021223 - 2³³ = 2004533086631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2013123021194 and 2013123021203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2013123025223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006561510611 + 1006561510612.

It is an arithmetic number, because the mean of its divisors is an integer number (1006561510612).

Almost surely, 2^{2013123021223} is an apocalyptic number.

2013123021223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013123021223 is an equidigital number, since it uses as much as digits as its factorization.

2013123021223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2013123021223 its reverse (3221203213102), we get a palindrome (5234326234325).

The spelling of 2013123021223 in words is "two trillion, thirteen billion, one hundred twenty-three million, twenty-one thousand, two hundred twenty-three".