120123312303 has 16 divisors (see below), whose sum is σ = 163097971200. Its totient is φ = 78626758080.

The previous prime is 120123312299. The next prime is 120123312313. The reversal of 120123312303 is 303213321021.

It is not a de Polignac number, because 120123312303 - 2² = 120123312299 is a prime.

It is a super-2 number, since 2×120123312303² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120123312303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120123312313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1373358 + ... + 1458203.

It is an arithmetic number, because the mean of its divisors is an integer number (10193623200).

Almost surely, 2^120123312303 is an apocalyptic number.

120123312303 is a deficient number, since it is larger than the sum of its proper divisors (42974658897).

120123312303 is a wasteful number, since it uses less digits than its factorization.

120123312303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2831822.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 120123312303 its reverse (303213321021), we get a palindrome (423336633324).

The spelling of 120123312303 in words is "one hundred twenty billion, one hundred twenty-three million, three hundred twelve thousand, three hundred three".