23836819 has 2 divisors, whose sum is σ = 23836820. Its totient is φ = 23836818.

The previous prime is 23836801. The next prime is 23836831. The reversal of 23836819 is 91863832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23836819 - 2⁷ = 23836691 is a prime.

It is a super-2 number, since 2×23836819² = 1136387880077522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23836859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11918409 + 11918410.

It is an arithmetic number, because the mean of its divisors is an integer number (11918410).

Almost surely, 2^23836819 is an apocalyptic number.

23836819 is a deficient number, since it is larger than the sum of its proper divisors (1).

23836819 is an equidigital number, since it uses as much as digits as its factorization.

23836819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 40.

The square root of 23836819 is about 4882.2964883342. The cubic root of 23836819 is about 287.7946831063.

The spelling of 23836819 in words is "twenty-three million, eight hundred thirty-six thousand, eight hundred nineteen".