120210320123 has 4 divisors (see below), whose sum is σ = 120211064328. Its totient is φ = 120209575920.

The previous prime is 120210320119. The next prime is 120210320141. The reversal of 120210320123 is 321023012021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 120210320123 - 2² = 120210320119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120210320173) 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, 16586 + ... + 490607.

It is an arithmetic number, because the mean of its divisors is an integer number (30052766082).

Almost surely, 2^120210320123 is an apocalyptic number.

120210320123 is a deficient number, since it is larger than the sum of its proper divisors (744205).

120210320123 is an equidigital number, since it uses as much as digits as its factorization.

120210320123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744204.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 120210320123 its reverse (321023012021), we get a palindrome (441233332144).

The spelling of 120210320123 in words is "one hundred twenty billion, two hundred ten million, three hundred twenty thousand, one hundred twenty-three".