23834209247 has 2 divisors, whose sum is σ = 23834209248. Its totient is φ = 23834209246.

The previous prime is 23834209199. The next prime is 23834209249. The reversal of 23834209247 is 74290243832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23834209247 - 2⁸ = 23834208991 is a prime.

Together with 23834209249, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 23834209198 and 23834209207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23834209249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11917104623 + 11917104624.

It is an arithmetic number, because the mean of its divisors is an integer number (11917104624).

Almost surely, 2^23834209247 is an apocalyptic number.

23834209247 is a deficient number, since it is larger than the sum of its proper divisors (1).

23834209247 is an equidigital number, since it uses as much as digits as its factorization.

23834209247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 23834209247 in words is "twenty-three billion, eight hundred thirty-four million, two hundred nine thousand, two hundred forty-seven".