223231045 has 8 divisors (see below), whose sum is σ = 268007040. Its totient is φ = 178498320.

The previous prime is 223231013. The next prime is 223231087. The reversal of 223231045 is 540132322.

223231045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 223231045 - 2⁵ = 223231013 is a prime.

It is a super-3 number, since 3×223231045³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1896 + ... + 21214.

It is an arithmetic number, because the mean of its divisors is an integer number (33500880).

Almost surely, 2^223231045 is an apocalyptic number.

It is an amenable number.

223231045 is a deficient number, since it is larger than the sum of its proper divisors (44775995).

223231045 is a wasteful number, since it uses less digits than its factorization.

223231045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21635.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 223231045 is about 14940.9184791297. The cubic root of 223231045 is about 606.6220570923.

Adding to 223231045 its reverse (540132322), we get a palindrome (763363367).

The spelling of 223231045 in words is "two hundred twenty-three million, two hundred thirty-one thousand, forty-five".