23835893 has 2 divisors, whose sum is σ = 23835894. Its totient is φ = 23835892.

The previous prime is 23835827. The next prime is 23835901. The reversal of 23835893 is 39853832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23261329 + 574564 = 4823^2 + 758^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23835893 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23835893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23831893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11917946 + 11917947.

It is an arithmetic number, because the mean of its divisors is an integer number (11917947).

Almost surely, 2^23835893 is an apocalyptic number.

It is an amenable number.

23835893 is a deficient number, since it is larger than the sum of its proper divisors (1).

23835893 is an equidigital number, since it uses as much as digits as its factorization.

23835893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 41.

The square root of 23835893 is about 4882.2016549913. The cubic root of 23835893 is about 287.7909563601.

The spelling of 23835893 in words is "twenty-three million, eight hundred thirty-five thousand, eight hundred ninety-three".