42623374 has 16 divisors (see below), whose sum is σ = 64980000. Its totient is φ = 20966400.

The previous prime is 42623353. The next prime is 42623411. The reversal of 42623374 is 47332624.

It is a super-2 number, since 2×42623374² = 3633504022287752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 33502 + ... + 34750.

It is an arithmetic number, because the mean of its divisors is an integer number (4061250).

Almost surely, 2^42623374 is an apocalyptic number.

42623374 is a deficient number, since it is larger than the sum of its proper divisors (22356626).

42623374 is a wasteful number, since it uses less digits than its factorization.

42623374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515.

The product of its digits is 24192, while the sum is 31.

The square root of 42623374 is about 6528.6579018968. The cubic root of 42623374 is about 349.3139595614.

Adding to 42623374 its reverse (47332624), we get a palindrome (89955998).

The spelling of 42623374 in words is "forty-two million, six hundred twenty-three thousand, three hundred seventy-four".