223312093 has 8 divisors (see below), whose sum is σ = 232011000. Its totient is φ = 214679808.

The previous prime is 223312079. The next prime is 223312097. The reversal of 223312093 is 390213322.

It can be written as a sum of positive squares in 4 ways, for example, as 3175524 + 220136569 = 1782^2 + 14837^2 .

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

It is not a de Polignac number, because 223312093 - 2⁹ = 223311581 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 (223312097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9768 + ... + 23281.

It is an arithmetic number, because the mean of its divisors is an integer number (29001375).

Almost surely, 2^223312093 is an apocalyptic number.

It is an amenable number.

223312093 is a deficient number, since it is larger than the sum of its proper divisors (8698907).

223312093 is a wasteful number, since it uses less digits than its factorization.

223312093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33311.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 223312093 is about 14943.6305160426. The cubic root of 223312093 is about 606.6954631838.

The spelling of 223312093 in words is "two hundred twenty-three million, three hundred twelve thousand, ninety-three".