223898433 has 16 divisors (see below), whose sum is σ = 334474176. Its totient is φ = 132027840.

The previous prime is 223898431. The next prime is 223898443. The reversal of 223898433 is 334898322.

It is not a de Polignac number, because 223898433 - 2¹ = 223898431 is a prime.

It is not an unprimeable number, because it can be changed into a prime (223898431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90466 + ... + 92907.

It is an arithmetic number, because the mean of its divisors is an integer number (20904636).

Almost surely, 2^223898433 is an apocalyptic number.

It is an amenable number.

223898433 is a deficient number, since it is larger than the sum of its proper divisors (110575743).

223898433 is a wasteful number, since it uses less digits than its factorization.

223898433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183424.

The product of its digits is 248832, while the sum is 42.

The square root of 223898433 is about 14963.2360470588. The cubic root of 223898433 is about 607.2259896554.

The spelling of 223898433 in words is "two hundred twenty-three million, eight hundred ninety-eight thousand, four hundred thirty-three".