223355924489 has 4 divisors (see below), whose sum is σ = 223356916740. Its totient is φ = 223354932240.

The previous prime is 223355924483. The next prime is 223355924569. The reversal of 223355924489 is 984429553322.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 984429553322 = 2 ⋅492214776661.

It can be written as a sum of positive squares in 2 ways, for example, as 31936549264 + 191419375225 = 178708^2 + 437515^2 .

It is a cyclic number.

It is not a de Polignac number, because 223355924489 - 2¹² = 223355920393 is a prime.

It is a super-2 number, since 2×223355924489² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223355924483) 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, 21647 + ... + 668715.

It is an arithmetic number, because the mean of its divisors is an integer number (55839229185).

Almost surely, 2^223355924489 is an apocalyptic number.

It is an amenable number.

223355924489 is a deficient number, since it is larger than the sum of its proper divisors (992251).

223355924489 is an equidigital number, since it uses as much as digits as its factorization.

223355924489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992250.

The product of its digits is 18662400, while the sum is 56.

The spelling of 223355924489 in words is "two hundred twenty-three billion, three hundred fifty-five million, nine hundred twenty-four thousand, four hundred eighty-nine".