213423131235 has 8 divisors (see below), whose sum is σ = 341477010000. Its totient is φ = 113825669984.

The previous prime is 213423131227. The next prime is 213423131261. The reversal of 213423131235 is 532131324312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213423131235 - 2³ = 213423131227 is a prime.

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, 7114104360 + ... + 7114104389.

It is an arithmetic number, because the mean of its divisors is an integer number (42684626250).

Almost surely, 2^213423131235 is an apocalyptic number.

213423131235 is a deficient number, since it is larger than the sum of its proper divisors (128053878765).

213423131235 is a wasteful number, since it uses less digits than its factorization.

213423131235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14228208757.

The product of its digits is 12960, while the sum is 30.

Adding to 213423131235 its reverse (532131324312), we get a palindrome (745554455547).

The spelling of 213423131235 in words is "two hundred thirteen billion, four hundred twenty-three million, one hundred thirty-one thousand, two hundred thirty-five".