13123212033223 has 16 divisors (see below), whose sum is σ = 13439162851200. Its totient is φ = 12810654773280.

The previous prime is 13123212033209. The next prime is 13123212033233. The reversal of 13123212033223 is 32233021232131.

It is a happy number.

It is not a de Polignac number, because 13123212033223 - 2¹³ = 13123212025031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13123212033191 and 13123212033200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123212033233) 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, 4325113 + ... + 6704701.

It is an arithmetic number, because the mean of its divisors is an integer number (839947678200).

Almost surely, 2^{13123212033223} is an apocalyptic number.

13123212033223 is a deficient number, since it is larger than the sum of its proper divisors (315950817977).

13123212033223 is a wasteful number, since it uses less digits than its factorization.

13123212033223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380302.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 13123212033223 its reverse (32233021232131), we get a palindrome (45356233265354).

The spelling of 13123212033223 in words is "thirteen trillion, one hundred twenty-three billion, two hundred twelve million, thirty-three thousand, two hundred twenty-three".