42535023 has 4 divisors (see below), whose sum is σ = 56713368. Its totient is φ = 28356680.

The previous prime is 42535019. The next prime is 42535049. The reversal of 42535023 is 32053524.

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 42535023 - 2² = 42535019 is a prime.

It is a super-2 number, since 2×42535023² = 3618456363221058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42534984 and 42535002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42535063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7089168 + ... + 7089173.

It is an arithmetic number, because the mean of its divisors is an integer number (14178342).

Almost surely, 2^42535023 is an apocalyptic number.

42535023 is a deficient number, since it is larger than the sum of its proper divisors (14178345).

42535023 is a wasteful number, since it uses less digits than its factorization.

42535023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14178344.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 42535023 is about 6521.8879935184. The cubic root of 42535023 is about 349.0724364769.

Adding to 42535023 its reverse (32053524), we get a palindrome (74588547).

The spelling of 42535023 in words is "forty-two million, five hundred thirty-five thousand, twenty-three".