223655431243 has 8 divisors (see below), whose sum is σ = 223965720576. Its totient is φ = 223345285800.

The previous prime is 223655431231. The next prime is 223655431267. The reversal of 223655431243 is 342134556322.

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 223655431243 - 2³³ = 215065496651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223655431196 and 223655431205.

It is not an unprimeable number, because it can be changed into a prime (223655431213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3285078 + ... + 3352468.

It is an arithmetic number, because the mean of its divisors is an integer number (27995715072).

Almost surely, 2^223655431243 is an apocalyptic number.

223655431243 is a deficient number, since it is larger than the sum of its proper divisors (310289333).

223655431243 is an equidigital number, since it uses as much as digits as its factorization.

223655431243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71945.

The product of its digits is 518400, while the sum is 40.

Adding to 223655431243 its reverse (342134556322), we get a palindrome (565789987565).

The spelling of 223655431243 in words is "two hundred twenty-three billion, six hundred fifty-five million, four hundred thirty-one thousand, two hundred forty-three".