123413212344243 has 4 divisors (see below), whose sum is σ = 164550949792328. Its totient is φ = 82275474896160.

The previous prime is 123413212344223. The next prime is 123413212344281. The reversal of 123413212344243 is 342443212314321.

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

It is not a de Polignac number, because 123413212344243 - 2¹⁰ = 123413212343219 is a prime.

It is a super-2 number, since 2×123413212344243² (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 (123413212344223) 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, 20568868724038 + ... + 20568868724043.

It is an arithmetic number, because the mean of its divisors is an integer number (41137737448082).

Almost surely, 2^{123413212344243} is an apocalyptic number.

123413212344243 is a deficient number, since it is larger than the sum of its proper divisors (41137737448085).

123413212344243 is an equidigital number, since it uses as much as digits as its factorization.

123413212344243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41137737448084.

The product of its digits is 331776, while the sum is 39.

Adding to 123413212344243 its reverse (342443212314321), we get a palindrome (465856424658564).

The spelling of 123413212344243 in words is "one hundred twenty-three trillion, four hundred thirteen billion, two hundred twelve million, three hundred forty-four thousand, two hundred forty-three".