223907 has 4 divisors (see below), whose sum is σ = 237096. Its totient is φ = 210720.

The previous prime is 223903. The next prime is 223919. The reversal of 223907 is 709322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 709322 = 2 ⋅354661.

It is a cyclic number.

It is not a de Polignac number, because 223907 - 2² = 223903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223903) 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, 6569 + ... + 6602.

It is an arithmetic number, because the mean of its divisors is an integer number (59274).

2²²³⁹⁰⁷ is an apocalyptic number.

223907 is a deficient number, since it is larger than the sum of its proper divisors (13189).

223907 is a wasteful number, since it uses less digits than its factorization.

223907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13188.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 223907 is about 473.1881232660. The cubic root of 223907 is about 60.7233734296.

The spelling of 223907 in words is "two hundred twenty-three thousand, nine hundred seven".