23789399 has 2 divisors, whose sum is σ = 23789400. Its totient is φ = 23789398.

The previous prime is 23789371. The next prime is 23789407. The reversal of 23789399 is 99398732.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23789399 - 2¹⁶ = 23723863 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23789299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11894699 + 11894700.

It is an arithmetic number, because the mean of its divisors is an integer number (11894700).

Almost surely, 2^23789399 is an apocalyptic number.

23789399 is a deficient number, since it is larger than the sum of its proper divisors (1).

23789399 is an equidigital number, since it uses as much as digits as its factorization.

23789399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 734832, while the sum is 50.

The square root of 23789399 is about 4877.4377494746. The cubic root of 23789399 is about 287.6037140620.

The spelling of 23789399 in words is "twenty-three million, seven hundred eighty-nine thousand, three hundred ninety-nine".