23259823 has 2 divisors, whose sum is σ = 23259824. Its totient is φ = 23259822.

The previous prime is 23259811. The next prime is 23259839. The reversal of 23259823 is 32895232.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23259823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23259323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11629911 + 11629912.

It is an arithmetic number, because the mean of its divisors is an integer number (11629912).

Almost surely, 2^23259823 is an apocalyptic number.

23259823 is a deficient number, since it is larger than the sum of its proper divisors (1).

23259823 is an equidigital number, since it uses as much as digits as its factorization.

23259823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 34.

The square root of 23259823 is about 4822.8438705809. The cubic root of 23259823 is about 285.4535632151.

The spelling of 23259823 in words is "twenty-three million, two hundred fifty-nine thousand, eight hundred twenty-three".