223923397 has 2 divisors, whose sum is σ = 223923398. Its totient is φ = 223923396.

The previous prime is 223923391. The next prime is 223923407. The reversal of 223923397 is 793329322.

223923397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127215841 + 96707556 = 11279^2 + 9834^2 .

It is a cyclic number.

It is not a de Polignac number, because 223923397 - 2³ = 223923389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223923391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111961698 + 111961699.

It is an arithmetic number, because the mean of its divisors is an integer number (111961699).

Almost surely, 2^223923397 is an apocalyptic number.

It is an amenable number.

223923397 is a deficient number, since it is larger than the sum of its proper divisors (1).

223923397 is an equidigital number, since it uses as much as digits as its factorization.

223923397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 40.

The square root of 223923397 is about 14964.0702016530. The cubic root of 223923397 is about 607.2485567721.

The spelling of 223923397 in words is "two hundred twenty-three million, nine hundred twenty-three thousand, three hundred ninety-seven".