123020013211223 has 32 divisors (see below), whose sum is σ = 126689284237824. Its totient is φ = 119384496000000.

The previous prime is 123020013211217. The next prime is 123020013211283. The reversal of 123020013211223 is 322112310020321.

It is a cyclic number.

It is not a de Polignac number, because 123020013211223 - 2¹⁴ = 123020013194839 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 (123020013211283) 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, 18115150958 + ... + 18115157748.

It is an arithmetic number, because the mean of its divisors is an integer number (3959040132432).

Almost surely, 2^{123020013211223} is an apocalyptic number.

123020013211223 is a deficient number, since it is larger than the sum of its proper divisors (3669271026601).

123020013211223 is a wasteful number, since it uses less digits than its factorization.

123020013211223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10007.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 123020013211223 its reverse (322112310020321), we get a palindrome (445132323231544).

The spelling of 123020013211223 in words is "one hundred twenty-three trillion, twenty billion, thirteen million, two hundred eleven thousand, two hundred twenty-three".