42611223 has 4 divisors (see below), whose sum is σ = 56814968. Its totient is φ = 28407480.

The previous prime is 42611221. The next prime is 42611251. The reversal of 42611223 is 32211624.

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

It is not a de Polignac number, because 42611223 - 2¹ = 42611221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42611223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42611221) 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, 7101868 + ... + 7101873.

It is an arithmetic number, because the mean of its divisors is an integer number (14203742).

Almost surely, 2^42611223 is an apocalyptic number.

42611223 is a deficient number, since it is larger than the sum of its proper divisors (14203745).

42611223 is a wasteful number, since it uses less digits than its factorization.

42611223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14203744.

The product of its digits is 576, while the sum is 21.

The square root of 42611223 is about 6527.7272461401. The cubic root of 42611223 is about 349.2807624607.

Adding to 42611223 its reverse (32211624), we get a palindrome (74822847).

The spelling of 42611223 in words is "forty-two million, six hundred eleven thousand, two hundred twenty-three".