42100234 has 16 divisors (see below), whose sum is σ = 69577056. Its totient is φ = 18946000.

The previous prime is 42100229. The next prime is 42100249. The reversal of 42100234 is 43200124.

42100234 is nontrivially palindromic in base 4.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7252 + ... + 11695.

It is an arithmetic number, because the mean of its divisors is an integer number (4348566).

Almost surely, 2^42100234 is an apocalyptic number.

42100234 is a deficient number, since it is larger than the sum of its proper divisors (27476822).

42100234 is a wasteful number, since it uses less digits than its factorization.

42100234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19061.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 42100234 is about 6488.4693110163. The cubic root of 42100234 is about 347.8789654838.

Adding to 42100234 its reverse (43200124), we get a palindrome (85300358).

The spelling of 42100234 in words is "forty-two million, one hundred thousand, two hundred thirty-four".