23820943 has 2 divisors, whose sum is σ = 23820944. Its totient is φ = 23820942.

The previous prime is 23820941. The next prime is 23820967. The reversal of 23820943 is 34902832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23820943 - 2¹ = 23820941 is a prime.

Together with 23820941, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23820941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11910471 + 11910472.

It is an arithmetic number, because the mean of its divisors is an integer number (11910472).

Almost surely, 2^23820943 is an apocalyptic number.

23820943 is a deficient number, since it is larger than the sum of its proper divisors (1).

23820943 is an equidigital number, since it uses as much as digits as its factorization.

23820943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 23820943 is about 4880.6703433033. The cubic root of 23820943 is about 287.7307757657.

The spelling of 23820943 in words is "twenty-three million, eight hundred twenty thousand, nine hundred forty-three".