223213023 has 32 divisors (see below), whose sum is σ = 363121920. Its totient is φ = 134390880.

The previous prime is 223212889. The next prime is 223213037. The reversal of 223213023 is 320312322.

It is a happy number.

It is not a de Polignac number, because 223213023 - 2⁹ = 223212511 is a prime.

It is a super-3 number, since 3×223213023³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223212987 and 223213005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223213063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44236 + ... + 49022.

It is an arithmetic number, because the mean of its divisors is an integer number (11347560).

Almost surely, 2^223213023 is an apocalyptic number.

223213023 is a deficient number, since it is larger than the sum of its proper divisors (139908897).

223213023 is a wasteful number, since it uses less digits than its factorization.

223213023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4964 (or 4958 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 223213023 is about 14940.3153581174. The cubic root of 223213023 is about 606.6057319482.

Adding to 223213023 its reverse (320312322), we get a palindrome (543525345).

The spelling of 223213023 in words is "two hundred twenty-three million, two hundred thirteen thousand, twenty-three".