42134203 has 4 divisors (see below), whose sum is σ = 42641928. Its totient is φ = 41626480.

The previous prime is 42134189. The next prime is 42134207. The reversal of 42134203 is 30243124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42134203 - 2⁵ = 42134171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42134207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253738 + ... + 253903.

It is an arithmetic number, because the mean of its divisors is an integer number (10660482).

Almost surely, 2^42134203 is an apocalyptic number.

42134203 is a deficient number, since it is larger than the sum of its proper divisors (507725).

42134203 is an equidigital number, since it uses as much as digits as its factorization.

42134203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507724.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 42134203 is about 6491.0864267856. The cubic root of 42134203 is about 347.9725035526.

Adding to 42134203 its reverse (30243124), we get a palindrome (72377327).

The spelling of 42134203 in words is "forty-two million, one hundred thirty-four thousand, two hundred three".