223113350012521 has 4 divisors (see below), whose sum is σ = 232813930447872. Its totient is φ = 213412769577172.

The previous prime is 223113350012513. The next prime is 223113350012549. The reversal of 223113350012521 is 125210053311322.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 223113350012521 - 2³ = 223113350012513 is a prime.

It is a super-3 number, since 3×223113350012521³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223113350012821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4850290217641 + ... + 4850290217686.

It is an arithmetic number, because the mean of its divisors is an integer number (58203482611968).

Almost surely, 2^{223113350012521} is an apocalyptic number.

It is an amenable number.

223113350012521 is a deficient number, since it is larger than the sum of its proper divisors (9700580435351).

223113350012521 is an equidigital number, since it uses as much as digits as its factorization.

223113350012521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9700580435350.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 223113350012521 in words is "two hundred twenty-three trillion, one hundred thirteen billion, three hundred fifty million, twelve thousand, five hundred twenty-one".