23189459 has 2 divisors, whose sum is σ = 23189460. Its totient is φ = 23189458.

The previous prime is 23189447. The next prime is 23189527. The reversal of 23189459 is 95498132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23189459 - 2⁸ = 23189203 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (23189759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11594729 + 11594730.

It is an arithmetic number, because the mean of its divisors is an integer number (11594730).

Almost surely, 2^23189459 is an apocalyptic number.

23189459 is a deficient number, since it is larger than the sum of its proper divisors (1).

23189459 is an equidigital number, since it uses as much as digits as its factorization.

23189459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 41.

The square root of 23189459 is about 4815.5434791932. The cubic root of 23189459 is about 285.1654277101.

The spelling of 23189459 in words is "twenty-three million, one hundred eighty-nine thousand, four hundred fifty-nine".