223152135215 has 4 divisors (see below), whose sum is σ = 267782562264. Its totient is φ = 178521708168.

The previous prime is 223152135131. The next prime is 223152135221. The reversal of 223152135215 is 512531251322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 223152135215 - 2²⁴ = 223135357999 is a prime.

It is a super-3 number, since 3×223152135215³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

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, 22315213517 + ... + 22315213526.

It is an arithmetic number, because the mean of its divisors is an integer number (66945640566).

Almost surely, 2^223152135215 is an apocalyptic number.

223152135215 is a deficient number, since it is larger than the sum of its proper divisors (44630427049).

223152135215 is an equidigital number, since it uses as much as digits as its factorization.

223152135215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44630427048.

The product of its digits is 18000, while the sum is 32.

Adding to 223152135215 its reverse (512531251322), we get a palindrome (735683386537).

The spelling of 223152135215 in words is "two hundred twenty-three billion, one hundred fifty-two million, one hundred thirty-five thousand, two hundred fifteen".