120423323982 has 32 divisors (see below), whose sum is σ = 261797380992. Its totient is φ = 36707035104.

The previous prime is 120423323981. The next prime is 120423323987. The reversal of 120423323982 is 289323324021.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 120423323982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120423323981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7206088 + ... + 7222779.

It is an arithmetic number, because the mean of its divisors is an integer number (8181168156).

Almost surely, 2^120423323982 is an apocalyptic number.

120423323982 is an abundant number, since it is smaller than the sum of its proper divisors (141374057010).

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

120423323982 is a wasteful number, since it uses less digits than its factorization.

120423323982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14428992.

The product of its (nonzero) digits is 124416, while the sum is 39.

Adding to 120423323982 its sum of digits (39), we get a palindrome (120423324021).

The spelling of 120423323982 in words is "one hundred twenty billion, four hundred twenty-three million, three hundred twenty-three thousand, nine hundred eighty-two".