23434420211291 has 2 divisors, whose sum is σ = 23434420211292. Its totient is φ = 23434420211290.

The previous prime is 23434420211219. The next prime is 23434420211413. The reversal of 23434420211291 is 19211202443432.

Together with previous prime (23434420211219) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23434420211291 - 2¹⁸ = 23434419949147 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (23434420219291) 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, 11717210105645 + 11717210105646.

It is an arithmetic number, because the mean of its divisors is an integer number (11717210105646).

Almost surely, 2^{23434420211291} is an apocalyptic number.

23434420211291 is a deficient number, since it is larger than the sum of its proper divisors (1).

23434420211291 is an equidigital number, since it uses as much as digits as its factorization.

23434420211291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 23434420211291 in words is "twenty-three trillion, four hundred thirty-four billion, four hundred twenty million, two hundred eleven thousand, two hundred ninety-one".