23194859 has 2 divisors, whose sum is σ = 23194860. Its totient is φ = 23194858.

The previous prime is 23194837. The next prime is 23194861. The reversal of 23194859 is 95849132.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23194859 is a prime.

Together with 23194861, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23194159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11597429 + 11597430.

It is an arithmetic number, because the mean of its divisors is an integer number (11597430).

Almost surely, 2^23194859 is an apocalyptic number.

23194859 is a deficient number, since it is larger than the sum of its proper divisors (1).

23194859 is an equidigital number, since it uses as much as digits as its factorization.

23194859 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 23194859 is about 4816.1041309340. The cubic root of 23194859 is about 285.1875609532.

The spelling of 23194859 in words is "twenty-three million, one hundred ninety-four thousand, eight hundred fifty-nine".