42244623 has 12 divisors (see below), whose sum is σ = 61159488. Its totient is φ = 28098720.

The previous prime is 42244603. The next prime is 42244627. The reversal of 42244623 is 32644224.

It is not a de Polignac number, because 42244623 - 2²⁵ = 8690191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42244627) 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 11 ways as a sum of consecutive naturals, for example, 1023 + ... + 9248.

It is an arithmetic number, because the mean of its divisors is an integer number (5096624).

Almost surely, 2^42244623 is an apocalyptic number.

42244623 is a deficient number, since it is larger than the sum of its proper divisors (18914865).

42244623 is a wasteful number, since it uses less digits than its factorization.

42244623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10734 (or 10731 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 42244623 is about 6499.5863714547. The cubic root of 42244623 is about 348.2762125354.

Adding to 42244623 its reverse (32644224), we get a palindrome (74888847).

The spelling of 42244623 in words is "forty-two million, two hundred forty-four thousand, six hundred twenty-three".