234143221404 has 24 divisors (see below), whose sum is σ = 546350652288. Its totient is φ = 78045387760.

The previous prime is 234143221399. The next prime is 234143221447. The reversal of 234143221404 is 404122341432.

It is a congruent number.

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, 147049 + ... + 699935.

It is an arithmetic number, because the mean of its divisors is an integer number (22764610512).

Almost surely, 2^234143221404 is an apocalyptic number.

It is an amenable number.

234143221404 is an abundant number, since it is smaller than the sum of its proper divisors (312207430884).

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

234143221404 is a wasteful number, since it uses less digits than its factorization.

234143221404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588185 (or 588183 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 234143221404 its reverse (404122341432), we get a palindrome (638265562836).

The spelling of 234143221404 in words is "two hundred thirty-four billion, one hundred forty-three million, two hundred twenty-one thousand, four hundred four".