120423442000 has 80 divisors (see below), whose sum is σ = 291301779600. Its totient is φ = 48149875200.

The previous prime is 120423441997. The next prime is 120423442057. The reversal of 120423442000 is 244324021.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 33294571024 + 87128870976 = 182468^2 + 295176^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5567206 + ... + 5588794.

It is an arithmetic number, because the mean of its divisors is an integer number (3641272245).

Almost surely, 2^120423442000 is an apocalyptic number.

120423442000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120423442000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145650889800).

120423442000 is an abundant number, since it is smaller than the sum of its proper divisors (170878337600).

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

120423442000 is a wasteful number, since it uses less digits than its factorization.

120423442000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24401 (or 24385 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 120423442000 its reverse (244324021), we get a palindrome (120667766021).

The spelling of 120423442000 in words is "one hundred twenty billion, four hundred twenty-three million, four hundred forty-two thousand".