42430234 has 16 divisors (see below), whose sum is σ = 79350336. Its totient is φ = 16531200.

The previous prime is 42430139. The next prime is 42430253. The reversal of 42430234 is 43203424.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 137607 + ... + 137914.

It is an arithmetic number, because the mean of its divisors is an integer number (4959396).

Almost surely, 2^42430234 is an apocalyptic number.

42430234 is a deficient number, since it is larger than the sum of its proper divisors (36920102).

42430234 is a wasteful number, since it uses less digits than its factorization.

42430234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275541.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 42430234 is about 6513.8493995486. The cubic root of 42430234 is about 348.7855432401.

Adding to 42430234 its reverse (43203424), we get a palindrome (85633658).

The spelling of 42430234 in words is "forty-two million, four hundred thirty thousand, two hundred thirty-four".