42432042023 has 4 divisors (see below), whose sum is σ = 48493762320. Its totient is φ = 36370321728.

The previous prime is 42432041989. The next prime is 42432042047. The reversal of 42432042023 is 32024023424.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 42432042023 - 2²⁶ = 42364933159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42432041983 and 42432042001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42432042053) 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, 3030860138 + ... + 3030860151.

It is an arithmetic number, because the mean of its divisors is an integer number (12123440580).

Almost surely, 2^42432042023 is an apocalyptic number.

42432042023 is a deficient number, since it is larger than the sum of its proper divisors (6061720297).

42432042023 is an equidigital number, since it uses as much as digits as its factorization.

42432042023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6061720296.

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 42432042023 its reverse (32024023424), we get a palindrome (74456065447).

The spelling of 42432042023 in words is "forty-two billion, four hundred thirty-two million, forty-two thousand, twenty-three".