120004200123 has 8 divisors (see below), whose sum is σ = 163024573968. Its totient is φ = 78493313184.

The previous prime is 120004200119. The next prime is 120004200139. The reversal of 120004200123 is 321002400021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120004200123 - 2² = 120004200119 is a prime.

It is a super-3 number, since 3×120004200123³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (120004200103) 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 7 ways as a sum of consecutive naturals, for example, 377371540 + ... + 377371857.

It is an arithmetic number, because the mean of its divisors is an integer number (20378071746).

Almost surely, 2^120004200123 is an apocalyptic number.

120004200123 is a deficient number, since it is larger than the sum of its proper divisors (43020373845).

120004200123 is an equidigital number, since it uses as much as digits as its factorization.

120004200123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754743453.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 120004200123 its reverse (321002400021), we get a palindrome (441006600144).

The spelling of 120004200123 in words is "one hundred twenty billion, four million, two hundred thousand, one hundred twenty-three".