120423324021 has 128 divisors (see below), whose sum is σ = 221984243712. Its totient is φ = 56039040000.

The previous prime is 120423324019. The next prime is 120423324113.

It is a happy number.

120423324021 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 120423324021 - 2¹ = 120423324019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120423323982 and 120423324000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120423324821) 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 127 ways as a sum of consecutive naturals, for example, 51220996 + ... + 51223346.

It is an arithmetic number, because the mean of its divisors is an integer number (1734251904).

Almost surely, 2^120423324021 is an apocalyptic number.

120423324021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120423324021 is a deficient number, since it is larger than the sum of its proper divisors (101560919691).

120423324021 is a wasteful number, since it uses less digits than its factorization.

120423324021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2883.

The product of its (nonzero) digits is 2304, while the sum is 24.

It can be divided in two parts, 120423 and 324021, that added together give a palindrome (444444).

The spelling of 120423324021 in words is "one hundred twenty billion, four hundred twenty-three million, three hundred twenty-four thousand, twenty-one".