223948793 has 2 divisors, whose sum is σ = 223948794. Its totient is φ = 223948792.

The previous prime is 223948789. The next prime is 223948799. The reversal of 223948793 is 397849322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220463104 + 3485689 = 14848^2 + 1867^2 .

It is a cyclic number.

It is not a de Polignac number, because 223948793 - 2² = 223948789 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (223948799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111974396 + 111974397.

It is an arithmetic number, because the mean of its divisors is an integer number (111974397).

Almost surely, 2^223948793 is an apocalyptic number.

It is an amenable number.

223948793 is a deficient number, since it is larger than the sum of its proper divisors (1).

223948793 is an equidigital number, since it uses as much as digits as its factorization.

223948793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 47.

The square root of 223948793 is about 14964.9187435148. The cubic root of 223948793 is about 607.2715126901.

The spelling of 223948793 in words is "two hundred twenty-three million, nine hundred forty-eight thousand, seven hundred ninety-three".