13220123333 has 16 divisors (see below), whose sum is σ = 14062809600. Its totient is φ = 12400806000.

The previous prime is 13220123311. The next prime is 13220123359. The reversal of 13220123333 is 33332102231.

It is a cyclic number.

It is not a de Polignac number, because 13220123333 - 2¹⁸ = 13219861189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13220123299 and 13220123308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220128333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 556958 + ... + 580208.

It is an arithmetic number, because the mean of its divisors is an integer number (878925600).

Almost surely, 2^13220123333 is an apocalyptic number.

It is an amenable number.

13220123333 is a deficient number, since it is larger than the sum of its proper divisors (842686267).

13220123333 is a wasteful number, since it uses less digits than its factorization.

13220123333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23752.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 13220123333 its reverse (33332102231), we get a palindrome (46552225564).

The spelling of 13220123333 in words is "thirteen billion, two hundred twenty million, one hundred twenty-three thousand, three hundred thirty-three".