235404223 has 16 divisors (see below), whose sum is σ = 247373280. Its totient is φ = 223727616.

The previous prime is 235404193. The next prime is 235404227. The reversal of 235404223 is 322404532.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-235404223 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 (235404227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 766636 + ... + 766942.

It is an arithmetic number, because the mean of its divisors is an integer number (15460830).

Almost surely, 2^235404223 is an apocalyptic number.

235404223 is a deficient number, since it is larger than the sum of its proper divisors (11969057).

235404223 is a wasteful number, since it uses less digits than its factorization.

235404223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 235404223 is about 15342.8883525886. Note that the first 3 decimals coincide. The cubic root of 235404223 is about 617.4542010649.

Adding to 235404223 its reverse (322404532), we get a palindrome (557808755).

The spelling of 235404223 in words is "two hundred thirty-five million, four hundred four thousand, two hundred twenty-three".