42243234 has 16 divisors (see below), whose sum is σ = 92167200. Its totient is φ = 12800960.

The previous prime is 42243211. The next prime is 42243239. The reversal of 42243234 is 43234224.

It is not an unprimeable number, because it can be changed into a prime (42243239) 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, 319959 + ... + 320090.

It is an arithmetic number, because the mean of its divisors is an integer number (5760450).

Almost surely, 2^42243234 is an apocalyptic number.

42243234 is an abundant number, since it is smaller than the sum of its proper divisors (49923966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42243234 is a wasteful number, since it uses less digits than its factorization.

42243234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640065.

The product of its digits is 4608, while the sum is 24.

The square root of 42243234 is about 6499.4795176229. The cubic root of 42243234 is about 348.2723953951.

Adding to 42243234 its reverse (43234224), we get a palindrome (85477458).

It can be divided in two parts, 4224 and 3234, that multiplied together give a square (13660416 = 3696²).

The spelling of 42243234 in words is "forty-two million, two hundred forty-three thousand, two hundred thirty-four".