42259623 has 8 divisors (see below), whose sum is σ = 64395648. Its totient is φ = 24148344.

The previous prime is 42259621. The next prime is 42259673. The reversal of 42259623 is 32695224.

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

It is not a de Polignac number, because 42259623 - 2¹ = 42259621 is a prime.

It is a super-2 number, since 2×42259623² = 3571751472204258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42259621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1006161 + ... + 1006202.

It is an arithmetic number, because the mean of its divisors is an integer number (8049456).

Almost surely, 2^42259623 is an apocalyptic number.

42259623 is a deficient number, since it is larger than the sum of its proper divisors (22136025).

42259623 is a wasteful number, since it uses less digits than its factorization.

42259623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2012373.

The product of its digits is 25920, while the sum is 33.

The square root of 42259623 is about 6500.7401886247. The cubic root of 42259623 is about 348.3174290234.

The spelling of 42259623 in words is "forty-two million, two hundred fifty-nine thousand, six hundred twenty-three".