12323023010221 has 32 divisors (see below), whose sum is σ = 15413700960000. Its totient is φ = 9571189754880.

The previous prime is 12323023010219. The next prime is 12323023010267. The reversal of 12323023010221 is 12201032032321.

It is a cyclic number.

It is not a de Polignac number, because 12323023010221 - 2¹ = 12323023010219 is a prime.

It is a super-2 number, since 2×12323023010221² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12323023010192 and 12323023010201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12323023010281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35468655 + ... + 35814403.

It is an arithmetic number, because the mean of its divisors is an integer number (481678155000).

Almost surely, 2^{12323023010221} is an apocalyptic number.

12323023010221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12323023010221 is a deficient number, since it is larger than the sum of its proper divisors (3090677949779).

12323023010221 is a wasteful number, since it uses less digits than its factorization.

12323023010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347269.

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

Adding to 12323023010221 its reverse (12201032032321), we get a palindrome (24524055042542).

The spelling of 12323023010221 in words is "twelve trillion, three hundred twenty-three billion, twenty-three million, ten thousand, two hundred twenty-one".