23822839 has 2 divisors, whose sum is σ = 23822840. Its totient is φ = 23822838.

The previous prime is 23822837. The next prime is 23822861. The reversal of 23822839 is 93822832.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23822839 - 2¹ = 23822837 is a prime.

Together with 23822837, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 23822798 and 23822807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23822837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11911419 + 11911420.

It is an arithmetic number, because the mean of its divisors is an integer number (11911420).

Almost surely, 2^23822839 is an apocalyptic number.

23822839 is a deficient number, since it is larger than the sum of its proper divisors (1).

23822839 is an equidigital number, since it uses as much as digits as its factorization.

23822839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 37.

The square root of 23822839 is about 4880.8645750523. The cubic root of 23822839 is about 287.7384094277.

The spelling of 23822839 in words is "twenty-three million, eight hundred twenty-two thousand, eight hundred thirty-nine".