223724465 has 16 divisors (see below), whose sum is σ = 275816448. Its totient is φ = 174127296.

The previous prime is 223724461. The next prime is 223724491. The reversal of 223724465 is 564427322.

It is a cyclic number.

It is not a de Polignac number, because 223724465 - 2² = 223724461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (223724461) 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, 37904 + ... + 43406.

It is an arithmetic number, because the mean of its divisors is an integer number (17238528).

Almost surely, 2^223724465 is an apocalyptic number.

It is an amenable number.

223724465 is a deficient number, since it is larger than the sum of its proper divisors (52091983).

223724465 is a wasteful number, since it uses less digits than its factorization.

223724465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5728.

The product of its digits is 80640, while the sum is 35.

The square root of 223724465 is about 14957.4217363822. The cubic root of 223724465 is about 607.0686783522.

The spelling of 223724465 in words is "two hundred twenty-three million, seven hundred twenty-four thousand, four hundred sixty-five".