223303133 has 4 divisors (see below), whose sum is σ = 223338300. Its totient is φ = 223267968.

The previous prime is 223303121. The next prime is 223303147. The reversal of 223303133 is 331303322.

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

It can be written as a sum of positive squares in 2 ways, for example, as 157076089 + 66227044 = 12533^2 + 8138^2 .

It is a cyclic number.

It is not a de Polignac number, because 223303133 - 2¹⁸ = 223040989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223303153) 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, 5108 + ... + 21741.

It is an arithmetic number, because the mean of its divisors is an integer number (55834575).

Almost surely, 2^223303133 is an apocalyptic number.

It is an amenable number.

223303133 is a deficient number, since it is larger than the sum of its proper divisors (35167).

223303133 is an equidigital number, since it uses as much as digits as its factorization.

223303133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35166.

The product of its (nonzero) digits is 972, while the sum is 20.

The square root of 223303133 is about 14943.3307197559. The cubic root of 223303133 is about 606.6873488837.

Adding to 223303133 its reverse (331303322), we get a palindrome (554606455).

The spelling of 223303133 in words is "two hundred twenty-three million, three hundred three thousand, one hundred thirty-three".