223043402423 has 4 divisors (see below), whose sum is σ = 225089672280. Its totient is φ = 220997132568.

The previous prime is 223043402389. The next prime is 223043402441. The reversal of 223043402423 is 324204340322.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 223043402423 - 2³⁰ = 221969660599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223043402723) 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, 1023134765 + ... + 1023134982.

It is an arithmetic number, because the mean of its divisors is an integer number (56272418070).

Almost surely, 2^223043402423 is an apocalyptic number.

223043402423 is a deficient number, since it is larger than the sum of its proper divisors (2046269857).

223043402423 is a wasteful number, since it uses less digits than its factorization.

223043402423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046269856.

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 223043402423 its reverse (324204340322), we get a palindrome (547247742745).

The spelling of 223043402423 in words is "two hundred twenty-three billion, forty-three million, four hundred two thousand, four hundred twenty-three".