223543454 has 4 divisors (see below), whose sum is σ = 335315184. Its totient is φ = 111771726.

The previous prime is 223543433. The next prime is 223543469. The reversal of 223543454 is 454345322.

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

It is a self number, because there is not a number n which added to its sum of digits gives 223543454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55885862 + ... + 55885865.

It is an arithmetic number, because the mean of its divisors is an integer number (83828796).

Almost surely, 2^223543454 is an apocalyptic number.

223543454 is a deficient number, since it is larger than the sum of its proper divisors (111771730).

223543454 is a wasteful number, since it uses less digits than its factorization.

223543454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111771729.

The product of its digits is 57600, while the sum is 32.

The square root of 223543454 is about 14951.3696362574. The cubic root of 223543454 is about 606.9049117931.

Adding to 223543454 its reverse (454345322), we get a palindrome (677888776).

The spelling of 223543454 in words is "two hundred twenty-three million, five hundred forty-three thousand, four hundred fifty-four".