123421241031123 has 8 divisors (see below), whose sum is σ = 188070462523648. Its totient is φ = 70526423446344.

The previous prime is 123421241031091. The next prime is 123421241031191. The reversal of 123421241031123 is 321130142124321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123421241031123 - 2⁵ = 123421241031091 is a prime.

It is a super-2 number, since 2×123421241031123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123421241035123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2938600976911 + ... + 2938600976952.

It is an arithmetic number, because the mean of its divisors is an integer number (23508807815456).

Almost surely, 2^{123421241031123} is an apocalyptic number.

123421241031123 is a deficient number, since it is larger than the sum of its proper divisors (64649221492525).

123421241031123 is an equidigital number, since it uses as much as digits as its factorization.

123421241031123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5877201953873.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 123421241031123 its reverse (321130142124321), we get a palindrome (444551383155444).

The spelling of 123421241031123 in words is "one hundred twenty-three trillion, four hundred twenty-one billion, two hundred forty-one million, thirty-one thousand, one hundred twenty-three".