223907423 has 4 divisors (see below), whose sum is σ = 224199360. Its totient is φ = 223615488.

The previous prime is 223907413. The next prime is 223907429. The reversal of 223907423 is 324709322.

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 223907423 - 2¹⁰ = 223906399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223907423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223907429) 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, 144815 + ... + 146352.

It is an arithmetic number, because the mean of its divisors is an integer number (56049840).

Almost surely, 2^223907423 is an apocalyptic number.

223907423 is a deficient number, since it is larger than the sum of its proper divisors (291937).

223907423 is an equidigital number, since it uses as much as digits as its factorization.

223907423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291936.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 223907423 is about 14963.5364469767. The cubic root of 223907423 is about 607.2341166865.

The spelling of 223907423 in words is "two hundred twenty-three million, nine hundred seven thousand, four hundred twenty-three".