223415530000261 has 4 divisors (see below), whose sum is σ = 223515402836652. Its totient is φ = 223315657163872.

The previous prime is 223415530000211. The next prime is 223415530000319. The reversal of 223415530000261 is 162000035514322.

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

It can be written as a sum of positive squares in 2 ways, for example, as 93262091272900 + 130153438727361 = 9657230^2 + 11408481^2 .

It is a cyclic number.

It is not a de Polignac number, because 223415530000261 - 2⁹ = 223415529999749 is a prime.

It is a super-3 number, since 3×223415530000261³ (a number of 44 digits) contains 333 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 (223415530000211) 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, 49936414840 + ... + 49936419313.

It is an arithmetic number, because the mean of its divisors is an integer number (55878850709163).

Almost surely, 2^{223415530000261} is an apocalyptic number.

It is an amenable number.

223415530000261 is a deficient number, since it is larger than the sum of its proper divisors (99872836391).

223415530000261 is an equidigital number, since it uses as much as digits as its factorization.

223415530000261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99872836390.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 223415530000261 its reverse (162000035514322), we get a palindrome (385415565514583).

The spelling of 223415530000261 in words is "two hundred twenty-three trillion, four hundred fifteen billion, five hundred thirty million, two hundred sixty-one", and thus it is an aban number.