123012242210443 has 4 divisors (see below), whose sum is σ = 123012265245408. Its totient is φ = 123012219175480.

The previous prime is 123012242210423. The next prime is 123012242210453. The reversal of 123012242210443 is 344012242210321.

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 123012242210443 - 2³⁷ = 122874803256971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123012242210423) 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, 1101453 + ... + 15723793.

It is an arithmetic number, because the mean of its divisors is an integer number (30753066311352).

Almost surely, 2^{123012242210443} is an apocalyptic number.

123012242210443 is a deficient number, since it is larger than the sum of its proper divisors (23034965).

123012242210443 is an equidigital number, since it uses as much as digits as its factorization.

123012242210443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23034964.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 123012242210443 its reverse (344012242210321), we get a palindrome (467024484420764).

The spelling of 123012242210443 in words is "one hundred twenty-three trillion, twelve billion, two hundred forty-two million, two hundred ten thousand, four hundred forty-three".