223794839 has 2 divisors, whose sum is σ = 223794840. Its totient is φ = 223794838.

The previous prime is 223794799. The next prime is 223794841. The reversal of 223794839 is 938497322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223794839 - 2²⁴ = 207017623 is a prime.

Together with 223794841, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 223794793 and 223794802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223793839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111897419 + 111897420.

It is an arithmetic number, because the mean of its divisors is an integer number (111897420).

Almost surely, 2^223794839 is an apocalyptic number.

223794839 is a deficient number, since it is larger than the sum of its proper divisors (1).

223794839 is an equidigital number, since it uses as much as digits as its factorization.

223794839 is an odious number, because the sum of its binary digits is odd.

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

The square root of 223794839 is about 14959.7740290420. The cubic root of 223794839 is about 607.1323241593.

The spelling of 223794839 in words is "two hundred twenty-three million, seven hundred ninety-four thousand, eight hundred thirty-nine".