213123030232 has 32 divisors (see below), whose sum is σ = 472440218400. Its totient is φ = 88188839424.

The previous prime is 213123030209. The next prime is 213123030271. The reversal of 213123030232 is 232030321312.

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, 65615073 + ... + 65618320.

It is an arithmetic number, because the mean of its divisors is an integer number (14763756825).

Almost surely, 2^213123030232 is an apocalyptic number.

It is an amenable number.

213123030232 is an abundant number, since it is smaller than the sum of its proper divisors (259317188168).

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

213123030232 is a wasteful number, since it uses less digits than its factorization.

213123030232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131233435 (or 131233431 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 213123030232 its reverse (232030321312), we get a palindrome (445153351544).

The spelling of 213123030232 in words is "two hundred thirteen billion, one hundred twenty-three million, thirty thousand, two hundred thirty-two".