23839958243 has 2 divisors, whose sum is σ = 23839958244. Its totient is φ = 23839958242.

The previous prime is 23839958237. The next prime is 23839958257. The reversal of 23839958243 is 34285993832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23839958243 - 2⁸ = 23839957987 is a prime.

It is not a weakly prime, because it can be changed into another prime (23839958203) 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, 11919979121 + 11919979122.

It is an arithmetic number, because the mean of its divisors is an integer number (11919979122).

Almost surely, 2^23839958243 is an apocalyptic number.

23839958243 is a deficient number, since it is larger than the sum of its proper divisors (1).

23839958243 is an equidigital number, since it uses as much as digits as its factorization.

23839958243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11197440, while the sum is 56.

The spelling of 23839958243 in words is "twenty-three billion, eight hundred thirty-nine million, nine hundred fifty-eight thousand, two hundred forty-three".