223691117 has 16 divisors (see below), whose sum is σ = 261011520. Its totient is φ = 189810432.

The previous prime is 223691099. The next prime is 223691119. The reversal of 223691117 is 711196322.

223691117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 223691117 - 2¹⁶ = 223625581 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 (223691119) 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, 2267 + ... + 21272.

It is an arithmetic number, because the mean of its divisors is an integer number (16313220).

Almost surely, 2^223691117 is an apocalyptic number.

It is an amenable number.

223691117 is a deficient number, since it is larger than the sum of its proper divisors (37320403).

223691117 is a wasteful number, since it uses less digits than its factorization.

223691117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23612.

The product of its digits is 4536, while the sum is 32.

The square root of 223691117 is about 14956.3069305227. The cubic root of 223691117 is about 607.0385139678.

The spelling of 223691117 in words is "two hundred twenty-three million, six hundred ninety-one thousand, one hundred seventeen".