223890663 has 32 divisors (see below), whose sum is σ = 330289920. Its totient is φ = 134300160.

The previous prime is 223890631. The next prime is 223890673. The reversal of 223890663 is 366098322.

It is not a de Polignac number, because 223890663 - 2⁵ = 223890631 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223890673) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110328 + ... + 112338.

It is an arithmetic number, because the mean of its divisors is an integer number (10321560).

Almost surely, 2^223890663 is an apocalyptic number.

223890663 is a deficient number, since it is larger than the sum of its proper divisors (106399257).

223890663 is a wasteful number, since it uses less digits than its factorization.

223890663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 223890663 is about 14962.9764084556. The cubic root of 223890663 is about 607.2189653386.

The spelling of 223890663 in words is "two hundred twenty-three million, eight hundred ninety thousand, six hundred sixty-three".