235166343213 has 4 divisors (see below), whose sum is σ = 313555124288. Its totient is φ = 156777562140.

The previous prime is 235166343179. The next prime is 235166343233. The reversal of 235166343213 is 312343661532.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 235166343213 - 2¹⁰ = 235166342189 is a prime.

It is a super-2 number, since 2×235166343213² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235166343233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39194390533 + ... + 39194390538.

It is an arithmetic number, because the mean of its divisors is an integer number (78388781072).

Almost surely, 2^235166343213 is an apocalyptic number.

It is an amenable number.

235166343213 is a deficient number, since it is larger than the sum of its proper divisors (78388781075).

235166343213 is an equidigital number, since it uses as much as digits as its factorization.

235166343213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78388781074.

The product of its digits is 233280, while the sum is 39.

The spelling of 235166343213 in words is "two hundred thirty-five billion, one hundred sixty-six million, three hundred forty-three thousand, two hundred thirteen".