120202303123 has 24 divisors (see below), whose sum is σ = 141511542480. Its totient is φ = 101796327360.

The previous prime is 120202303073. The next prime is 120202303201. The reversal of 120202303123 is 321303202021.

It is a de Polignac number, because none of the positive numbers 2^k-120202303123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120202303123.

It is not an unprimeable number, because it can be changed into a prime (120202343123) 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 23 ways as a sum of consecutive naturals, for example, 1429065 + ... + 1510837.

It is an arithmetic number, because the mean of its divisors is an integer number (5896314270).

Almost surely, 2^120202303123 is an apocalyptic number.

120202303123 is a deficient number, since it is larger than the sum of its proper divisors (21309239357).

120202303123 is a wasteful number, since it uses less digits than its factorization.

120202303123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82147 (or 82140 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 120202303123 its reverse (321303202021), we get a palindrome (441505505144).

The spelling of 120202303123 in words is "one hundred twenty billion, two hundred two million, three hundred three thousand, one hundred twenty-three".