234513638 has 4 divisors (see below), whose sum is σ = 351770460. Its totient is φ = 117256818.

The previous prime is 234513619. The next prime is 234513641. The reversal of 234513638 is 836315432.

234513638 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 234513598 and 234513607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58628408 + ... + 58628411.

It is an arithmetic number, because the mean of its divisors is an integer number (87942615).

Almost surely, 2^234513638 is an apocalyptic number.

234513638 is a deficient number, since it is larger than the sum of its proper divisors (117256822).

234513638 is a wasteful number, since it uses less digits than its factorization.

234513638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117256821.

The product of its digits is 51840, while the sum is 35.

The square root of 234513638 is about 15313.8381211243. The cubic root of 234513638 is about 616.6745628727.

The spelling of 234513638 in words is "two hundred thirty-four million, five hundred thirteen thousand, six hundred thirty-eight".