4123434 has 32 divisors (see below), whose sum is σ = 9732096. Its totient is φ = 1139760.

The previous prime is 4123421. The next prime is 4123439. The reversal of 4123434 is 4343214.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 4123434.

It is not an unprimeable number, because it can be changed into a prime (4123439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282 + ... + 2885.

It is an arithmetic number, because the mean of its divisors is an integer number (304128).

Almost surely, 2^4123434 is an apocalyptic number.

4123434 is an abundant number, since it is smaller than the sum of its proper divisors (5608662).

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

4123434 is a wasteful number, since it uses less digits than its factorization.

4123434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3210.

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

The square root of 4123434 is about 2030.6240420127. The cubic root of 4123434 is about 160.3564189865.

Adding to 4123434 its reverse (4343214), we get a palindrome (8466648).

The spelling of 4123434 in words is "four million, one hundred twenty-three thousand, four hundred thirty-four".