42355523 has 8 divisors (see below), whose sum is σ = 48458592. Its totient is φ = 36265536.

The previous prime is 42355513. The next prime is 42355543. The reversal of 42355523 is 32555324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42355523 - 2⁶ = 42355459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42355513) 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 7 ways as a sum of consecutive naturals, for example, 5111 + ... + 10527.

It is an arithmetic number, because the mean of its divisors is an integer number (6057324).

Almost surely, 2^42355523 is an apocalyptic number.

42355523 is a deficient number, since it is larger than the sum of its proper divisors (6103069).

42355523 is a wasteful number, since it uses less digits than its factorization.

42355523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6541.

The product of its digits is 18000, while the sum is 29.

The square root of 42355523 is about 6508.1120918435. The cubic root of 42355523 is about 348.5807095355.

The spelling of 42355523 in words is "forty-two million, three hundred fifty-five thousand, five hundred twenty-three".