234213522345 has 36 divisors (see below), whose sum is σ = 446231613828. Its totient is φ = 113558068800.

The previous prime is 234213522337. The next prime is 234213522377. The reversal of 234213522345 is 543225312432.

234213522345 is a `hidden beast` number, since 2 + 3 + 421 + 3 + 5 + 223 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 40681276416 + 193532245929 = 201696^2 + 439923^2 .

It is not a de Polignac number, because 234213522345 - 2³ = 234213522337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21501766 + ... + 21512655.

Almost surely, 2^234213522345 is an apocalyptic number.

It is an amenable number.

234213522345 is a deficient number, since it is larger than the sum of its proper divisors (212018091483).

234213522345 is a wasteful number, since it uses less digits than its factorization.

234213522345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43014454 (or 43014440 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

Adding to 234213522345 its reverse (543225312432), we get a palindrome (777438834777).

The spelling of 234213522345 in words is "two hundred thirty-four billion, two hundred thirteen million, five hundred twenty-two thousand, three hundred forty-five".