223328623 has 12 divisors (see below), whose sum is σ = 268750440. Its totient is φ = 184822512.

The previous prime is 223328579. The next prime is 223328639. The reversal of 223328623 is 326823322.

It is not a de Polignac number, because 223328623 - 2²¹ = 221231471 is a prime.

It is a super-2 number, since 2×223328623² = 99751347702152258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223328653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77161 + ... + 80002.

It is an arithmetic number, because the mean of its divisors is an integer number (22395870).

Almost surely, 2^223328623 is an apocalyptic number.

223328623 is a deficient number, since it is larger than the sum of its proper divisors (45421817).

223328623 is a wasteful number, since it uses less digits than its factorization.

223328623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157206 (or 157199 counting only the distinct ones).

The product of its digits is 20736, while the sum is 31.

The square root of 223328623 is about 14944.1835842578. The cubic root of 223328623 is about 606.7104324113.

The spelling of 223328623 in words is "two hundred twenty-three million, three hundred twenty-eight thousand, six hundred twenty-three".