213432123232 has 24 divisors (see below), whose sum is σ = 420255157896. Its totient is φ = 106700654592.

The previous prime is 213432123211. The next prime is 213432123241. The reversal of 213432123232 is 232321234312.

It is a self number, because there is not a number n which added to its sum of digits gives 213432123232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254718 + ... + 701245.

It is an arithmetic number, because the mean of its divisors is an integer number (17510631579).

Almost surely, 2^213432123232 is an apocalyptic number.

It is an amenable number.

213432123232 is a deficient number, since it is larger than the sum of its proper divisors (206823034664).

213432123232 is an equidigital number, since it uses as much as digits as its factorization.

213432123232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962950 (or 962942 counting only the distinct ones).

The product of its digits is 10368, while the sum is 28.

Adding to 213432123232 its reverse (232321234312), we get a palindrome (445753357544).

The spelling of 213432123232 in words is "two hundred thirteen billion, four hundred thirty-two million, one hundred twenty-three thousand, two hundred thirty-two".