120423042330 has 64 divisors (see below), whose sum is σ = 295832383488. Its totient is φ = 31358450240.

The previous prime is 120423042301. The next prime is 120423042331. The reversal of 120423042330 is 33240324021.

It is a self number, because there is not a number n which added to its sum of digits gives 120423042330.

It is not an unprimeable number, because it can be changed into a prime (120423042331) 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 31 ways as a sum of consecutive naturals, for example, 528235 + ... + 721025.

It is an arithmetic number, because the mean of its divisors is an integer number (4622380992).

Almost surely, 2^120423042330 is an apocalyptic number.

120423042330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 120423042330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147916191744).

120423042330 is an abundant number, since it is smaller than the sum of its proper divisors (175409341158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120423042330 is a wasteful number, since it uses less digits than its factorization.

120423042330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193291.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 120423042330 its reverse (33240324021), we get a palindrome (153663366351).

The spelling of 120423042330 in words is "one hundred twenty billion, four hundred twenty-three million, forty-two thousand, three hundred thirty".