23869823 has 2 divisors, whose sum is σ = 23869824. Its totient is φ = 23869822.

The previous prime is 23869817. The next prime is 23869841. The reversal of 23869823 is 32896832.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23869823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23869873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11934911 + 11934912.

It is an arithmetic number, because the mean of its divisors is an integer number (11934912).

Almost surely, 2^23869823 is an apocalyptic number.

23869823 is a deficient number, since it is larger than the sum of its proper divisors (1).

23869823 is an equidigital number, since it uses as much as digits as its factorization.

23869823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 41.

The square root of 23869823 is about 4885.6752859763. The cubic root of 23869823 is about 287.9274468409.

The spelling of 23869823 in words is "twenty-three million, eight hundred sixty-nine thousand, eight hundred twenty-three".