42023123142 has 160 divisors (see below), whose sum is σ = 115195046400. Its totient is φ = 10074980160.

The previous prime is 42023123039. The next prime is 42023123167. The reversal of 42023123142 is 24132132024.

It is a happy number.

42023123142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2049859 + ... + 2070257.

It is an arithmetic number, because the mean of its divisors is an integer number (719969040).

Almost surely, 2^42023123142 is an apocalyptic number.

42023123142 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 42023123142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57597523200).

42023123142 is an abundant number, since it is smaller than the sum of its proper divisors (73171923258).

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

42023123142 is a wasteful number, since it uses less digits than its factorization.

42023123142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20456 (or 20435 counting only the distinct ones).

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

Adding to 42023123142 its reverse (24132132024), we get a palindrome (66155255166).

The spelling of 42023123142 in words is "forty-two billion, twenty-three million, one hundred twenty-three thousand, one hundred forty-two".