123213320021223 has 24 divisors (see below), whose sum is σ = 180196277697072. Its totient is φ = 81117762346368.

The previous prime is 123213320021161. The next prime is 123213320021237. The reversal of 123213320021223 is 322120023312321.

123213320021223 is a `hidden beast` number, since 1 + 2 + 3 + 213 + 3 + 200 + 21 + 223 = 666.

It is not a de Polignac number, because 123213320021223 - 2¹⁴ = 123213320004839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123213320021923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33607486 + ... + 37092987.

It is an arithmetic number, because the mean of its divisors is an integer number (7508178237378).

Almost surely, 2^{123213320021223} is an apocalyptic number.

123213320021223 is a deficient number, since it is larger than the sum of its proper divisors (56982957675849).

123213320021223 is a wasteful number, since it uses less digits than its factorization.

123213320021223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70702895 (or 70702892 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 123213320021223 its reverse (322120023312321), we get a palindrome (445333343333544).

The spelling of 123213320021223 in words is "one hundred twenty-three trillion, two hundred thirteen billion, three hundred twenty million, twenty-one thousand, two hundred twenty-three".