223713645 has 8 divisors (see below), whose sum is σ = 357941856. Its totient is φ = 119313936.

The previous prime is 223713643. The next prime is 223713653. The reversal of 223713645 is 546317322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 223713645 - 2¹ = 223713643 is a prime.

It is a super-3 number, since 3×223713645³ (a number of 26 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223713643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7457107 + ... + 7457136.

It is an arithmetic number, because the mean of its divisors is an integer number (44742732).

Almost surely, 2^223713645 is an apocalyptic number.

It is an amenable number.

223713645 is a deficient number, since it is larger than the sum of its proper divisors (134228211).

223713645 is a wasteful number, since it uses less digits than its factorization.

223713645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14914251.

The product of its digits is 30240, while the sum is 33.

The square root of 223713645 is about 14957.0600386573. The cubic root of 223713645 is about 607.0588916278.

The spelling of 223713645 in words is "two hundred twenty-three million, seven hundred thirteen thousand, six hundred forty-five".