23820343 has 2 divisors, whose sum is σ = 23820344. Its totient is φ = 23820342.

The previous prime is 23820311. The next prime is 23820367. The reversal of 23820343 is 34302832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23820343 - 2⁵ = 23820311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23820743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11910171 + 11910172.

It is an arithmetic number, because the mean of its divisors is an integer number (11910172).

Almost surely, 2^23820343 is an apocalyptic number.

23820343 is a deficient number, since it is larger than the sum of its proper divisors (1).

23820343 is an equidigital number, since it uses as much as digits as its factorization.

23820343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 23820343 is about 4880.6088759498. The cubic root of 23820343 is about 287.7283599655.

The spelling of 23820343 in words is "twenty-three million, eight hundred twenty thousand, three hundred forty-three".