223453405243 has 8 divisors (see below), whose sum is σ = 226292244480. Its totient is φ = 220614824040.

The previous prime is 223453405213. The next prime is 223453405249. The reversal of 223453405243 is 342504354322.

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 223453405243 - 2¹³ = 223453397051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223453405249) 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, 2163996 + ... + 2264902.

It is an arithmetic number, because the mean of its divisors is an integer number (28286530560).

Almost surely, 2^223453405243 is an apocalyptic number.

223453405243 is a deficient number, since it is larger than the sum of its proper divisors (2838839237).

223453405243 is a wasteful number, since it uses less digits than its factorization.

223453405243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129017.

The product of its (nonzero) digits is 345600, while the sum is 37.

Adding to 223453405243 its reverse (342504354322), we get a palindrome (565957759565).

The spelling of 223453405243 in words is "two hundred twenty-three billion, four hundred fifty-three million, four hundred five thousand, two hundred forty-three".