23969443 has 2 divisors, whose sum is σ = 23969444. Its totient is φ = 23969442.

The previous prime is 23969441. The next prime is 23969453. The reversal of 23969443 is 34496932.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23969443 - 2¹ = 23969441 is a prime.

Together with 23969441, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 23969396 and 23969405.

It is not a weakly prime, because it can be changed into another prime (23969441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11984721 + 11984722.

It is an arithmetic number, because the mean of its divisors is an integer number (11984722).

Almost surely, 2^23969443 is an apocalyptic number.

23969443 is a deficient number, since it is larger than the sum of its proper divisors (1).

23969443 is an equidigital number, since it uses as much as digits as its factorization.

23969443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 40.

The square root of 23969443 is about 4895.8597814888. The cubic root of 23969443 is about 288.3274431250.

The spelling of 23969443 in words is "twenty-three million, nine hundred sixty-nine thousand, four hundred forty-three".