120344123103 has 4 divisors (see below), whose sum is σ = 160458830808. Its totient is φ = 80229415400.

The previous prime is 120344123099. The next prime is 120344123129. The reversal of 120344123103 is 301321443021.

It is a happy number.

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 120344123103 - 2² = 120344123099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120344143103) 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, 20057353848 + ... + 20057353853.

It is an arithmetic number, because the mean of its divisors is an integer number (40114707702).

Almost surely, 2^120344123103 is an apocalyptic number.

120344123103 is a deficient number, since it is larger than the sum of its proper divisors (40114707705).

120344123103 is an equidigital number, since it uses as much as digits as its factorization.

120344123103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40114707704.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 120344123103 its reverse (301321443021), we get a palindrome (421665566124).

The spelling of 120344123103 in words is "one hundred twenty billion, three hundred forty-four million, one hundred twenty-three thousand, one hundred three".