23059819 has 2 divisors, whose sum is σ = 23059820. Its totient is φ = 23059818.

The previous prime is 23059789. The next prime is 23059831. The reversal of 23059819 is 91895032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23059819 - 2⁹ = 23059307 is a prime.

It is a super-2 number, since 2×23059819² = 1063510504625522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23059889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11529909 + 11529910.

It is an arithmetic number, because the mean of its divisors is an integer number (11529910).

Almost surely, 2^23059819 is an apocalyptic number.

23059819 is a deficient number, since it is larger than the sum of its proper divisors (1).

23059819 is an equidigital number, since it uses as much as digits as its factorization.

23059819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 23059819 is about 4802.0640353914. The cubic root of 23059819 is about 284.6330313327.

The spelling of 23059819 in words is "twenty-three million, fifty-nine thousand, eight hundred nineteen".