120310001123 has 4 divisors (see below), whose sum is σ = 129564616608. Its totient is φ = 111055385640.

The previous prime is 120310001117. The next prime is 120310001183. The reversal of 120310001123 is 321100013021.

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 120310001123 - 2⁴ = 120310001107 is a prime.

It is a super-2 number, since 2×120310001123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120310001098 and 120310001107.

It is not an unprimeable number, because it can be changed into a prime (120310001183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4627307723 + ... + 4627307748.

It is an arithmetic number, because the mean of its divisors is an integer number (32391154152).

Almost surely, 2^120310001123 is an apocalyptic number.

120310001123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

120310001123 is a deficient number, since it is larger than the sum of its proper divisors (9254615485).

120310001123 is an equidigital number, since it uses as much as digits as its factorization.

120310001123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9254615484.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 120310001123 its reverse (321100013021), we get a palindrome (441410014144).

The spelling of 120310001123 in words is "one hundred twenty billion, three hundred ten million, one thousand, one hundred twenty-three".