120311230123 has 12 divisors (see below), whose sum is σ = 139969137072. Its totient is φ = 103112669520.

The previous prime is 120311230097. The next prime is 120311230157. The reversal of 120311230123 is 321032113021.

It is not a de Polignac number, because 120311230123 - 2²⁵ = 120277675691 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120311230123.

It is not an unprimeable number, because it can be changed into a prime (120311330123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 336961 + ... + 595117.

It is an arithmetic number, because the mean of its divisors is an integer number (11664094756).

Almost surely, 2^120311230123 is an apocalyptic number.

120311230123 is a deficient number, since it is larger than the sum of its proper divisors (19657906949).

120311230123 is an equidigital number, since it uses as much as digits as its factorization.

120311230123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267682 (or 267675 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 120311230123 its reverse (321032113021), we get a palindrome (441343343144).

It can be divided in two parts, 1203112 and 30123, that added together give a triangular number (1233235 = T₁₅₇₀).

The spelling of 120311230123 in words is "one hundred twenty billion, three hundred eleven million, two hundred thirty thousand, one hundred twenty-three".