223984631 has 4 divisors (see below), whose sum is σ = 241214232. Its totient is φ = 206755032.

The previous prime is 223984601. The next prime is 223984637. The reversal of 223984631 is 136489322.

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 223984631 - 2⁶ = 223984567 is a prime.

It is a super-2 number, since 2×223984631² = 100338229848412322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223984637) 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, 8614781 + ... + 8614806.

It is an arithmetic number, because the mean of its divisors is an integer number (60303558).

Almost surely, 2^223984631 is an apocalyptic number.

223984631 is a deficient number, since it is larger than the sum of its proper divisors (17229601).

223984631 is a wasteful number, since it uses less digits than its factorization.

223984631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17229600.

The product of its digits is 62208, while the sum is 38.

The square root of 223984631 is about 14966.1160960351. The cubic root of 223984631 is about 607.3039043741.

The spelling of 223984631 in words is "two hundred twenty-three million, nine hundred eighty-four thousand, six hundred thirty-one".