223203020323 has 4 divisors (see below), whose sum is σ = 223505054920. Its totient is φ = 222900985728.

The previous prime is 223203020309. The next prime is 223203020357. The reversal of 223203020323 is 323020302322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 223203020323 - 2¹⁷ = 223202889251 is a prime.

It is a super-3 number, since 3×223203020323³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223203020294 and 223203020303.

It is not an unprimeable number, because it can be changed into a prime (223203020303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151016190 + ... + 151017667.

It is an arithmetic number, because the mean of its divisors is an integer number (55876263730).

Almost surely, 2^223203020323 is an apocalyptic number.

223203020323 is a deficient number, since it is larger than the sum of its proper divisors (302034597).

223203020323 is an equidigital number, since it uses as much as digits as its factorization.

223203020323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302034596.

The product of its (nonzero) digits is 2592, while the sum is 22.

Adding to 223203020323 its reverse (323020302322), we get a palindrome (546223322645).

The spelling of 223203020323 in words is "two hundred twenty-three billion, two hundred three million, twenty thousand, three hundred twenty-three".