42120014023 has 4 divisors (see below), whose sum is σ = 42506436280. Its totient is φ = 41733591768.

The previous prime is 42120014003. The next prime is 42120014029. The reversal of 42120014023 is 32041002124.

42120014023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42120014023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42120014029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193210965 + ... + 193211182.

It is an arithmetic number, because the mean of its divisors is an integer number (10626609070).

Almost surely, 2^42120014023 is an apocalyptic number.

42120014023 is a deficient number, since it is larger than the sum of its proper divisors (386422257).

42120014023 is a wasteful number, since it uses less digits than its factorization.

42120014023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386422256.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 42120014023 its reverse (32041002124), we get a palindrome (74161016147).

The spelling of 42120014023 in words is "forty-two billion, one hundred twenty million, fourteen thousand, twenty-three".