23943401855767 has 2 divisors, whose sum is σ = 23943401855768. Its totient is φ = 23943401855766.

The previous prime is 23943401855749. The next prime is 23943401855869. The reversal of 23943401855767 is 76755810434932.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23943401855767 - 2³⁹ = 23393646041879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23943401855699 and 23943401855708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23943401855167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11971700927883 + 11971700927884.

It is an arithmetic number, because the mean of its divisors is an integer number (11971700927884).

It is a 1-persistent number, because it is pandigital, but 2⋅23943401855767 = 47886803711534 is not.

Almost surely, 2^{23943401855767} is an apocalyptic number.

23943401855767 is a deficient number, since it is larger than the sum of its proper divisors (1).

23943401855767 is an equidigital number, since it uses as much as digits as its factorization.

23943401855767 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 152409600, while the sum is 64.

The spelling of 23943401855767 in words is "twenty-three trillion, nine hundred forty-three billion, four hundred one million, eight hundred fifty-five thousand, seven hundred sixty-seven".