123010021221223 has 4 divisors (see below), whose sum is σ = 123141301927840. Its totient is φ = 122878740514608.

The previous prime is 123010021221211. The next prime is 123010021221229. The reversal of 123010021221223 is 322122120010321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123010021221223 - 2²⁵ = 123009987666791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123010021221194 and 123010021221203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123010021221229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65640351903 + ... + 65640353776.

It is an arithmetic number, because the mean of its divisors is an integer number (30785325481960).

Almost surely, 2^{123010021221223} is an apocalyptic number.

123010021221223 is a deficient number, since it is larger than the sum of its proper divisors (131280706617).

123010021221223 is an equidigital number, since it uses as much as digits as its factorization.

123010021221223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131280706616.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 123010021221223 its reverse (322122120010321), we get a palindrome (445132141231544).

The spelling of 123010021221223 in words is "one hundred twenty-three trillion, ten billion, twenty-one million, two hundred twenty-one thousand, two hundred twenty-three".