20130013223 has 16 divisors (see below), whose sum is σ = 21184752960. Its totient is φ = 19101062400.

The previous prime is 20130013217. The next prime is 20130013243. The reversal of 20130013223 is 32231003102.

It is a cyclic number.

It is not a de Polignac number, because 20130013223 - 2⁶ = 20130013159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130013243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 637283 + ... + 668123.

It is an arithmetic number, because the mean of its divisors is an integer number (1324047060).

Almost surely, 2^20130013223 is an apocalyptic number.

20130013223 is a deficient number, since it is larger than the sum of its proper divisors (1054739737).

20130013223 is a wasteful number, since it uses less digits than its factorization.

20130013223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31258.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20130013223 its reverse (32231003102), we get a palindrome (52361016325).

The spelling of 20130013223 in words is "twenty billion, one hundred thirty million, thirteen thousand, two hundred twenty-three".