23223439 has 2 divisors, whose sum is σ = 23223440. Its totient is φ = 23223438.

The previous prime is 23223401. The next prime is 23223451. The reversal of 23223439 is 93432232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23223439 - 2¹¹ = 23221391 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23226439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11611719 + 11611720.

It is an arithmetic number, because the mean of its divisors is an integer number (11611720).

Almost surely, 2^23223439 is an apocalyptic number.

23223439 is a deficient number, since it is larger than the sum of its proper divisors (1).

23223439 is an equidigital number, since it uses as much as digits as its factorization.

23223439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 28.

The square root of 23223439 is about 4819.0703460315. The cubic root of 23223439 is about 285.3046460238.

The spelling of 23223439 in words is "twenty-three million, two hundred twenty-three thousand, four hundred thirty-nine".