42134223 has 8 divisors (see below), whose sum is σ = 57017728. Its totient is φ = 27670104.

The previous prime is 42134219. The next prime is 42134227. The reversal of 42134223 is 32243124.

It is an interprime number because it is at equal distance from previous prime (42134219) and next prime (42134227).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42134223 - 2² = 42134219 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 42134223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42134227) 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, 104611 + ... + 105012.

It is an arithmetic number, because the mean of its divisors is an integer number (7127216).

Almost surely, 2^42134223 is an apocalyptic number.

42134223 is a deficient number, since it is larger than the sum of its proper divisors (14883505).

42134223 is a wasteful number, since it uses less digits than its factorization.

42134223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209693.

The product of its digits is 1152, while the sum is 21.

The square root of 42134223 is about 6491.0879673596. The cubic root of 42134223 is about 347.9725586104.

Adding to 42134223 its reverse (32243124), we get a palindrome (74377347).

The spelling of 42134223 in words is "forty-two million, one hundred thirty-four thousand, two hundred twenty-three".