42003522423 has 24 divisors (see below), whose sum is σ = 62127280800. Its totient is φ = 27335880000.

The previous prime is 42003522413. The next prime is 42003522439. The reversal of 42003522423 is 32422530024.

It is a happy number.

42003522423 is a `hidden beast` number, since 4 + 200 + 35 + 2 + 2 + 423 = 666.

It is not a de Polignac number, because 42003522423 - 2¹⁷ = 42003391351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42003522413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126328 + ... + 316173.

It is an arithmetic number, because the mean of its divisors is an integer number (2588636700).

Almost surely, 2^42003522423 is an apocalyptic number.

42003522423 is a deficient number, since it is larger than the sum of its proper divisors (20123758377).

42003522423 is a wasteful number, since it uses less digits than its factorization.

42003522423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442759 (or 442756 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The spelling of 42003522423 in words is "forty-two billion, three million, five hundred twenty-two thousand, four hundred twenty-three".