121342022578823 has 2 divisors, whose sum is σ = 121342022578824. Its totient is φ = 121342022578822.

The previous prime is 121342022578817. The next prime is 121342022578831. The reversal of 121342022578823 is 328875220243121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121342022578823 - 2⁶ = 121342022578759 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121342022578883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60671011289411 + 60671011289412.

It is an arithmetic number, because the mean of its divisors is an integer number (60671011289412).

Almost surely, 2^{121342022578823} is an apocalyptic number.

121342022578823 is a deficient number, since it is larger than the sum of its proper divisors (1).

121342022578823 is an equidigital number, since it uses as much as digits as its factorization.

121342022578823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2580480, while the sum is 50.

The spelling of 121342022578823 in words is "one hundred twenty-one trillion, three hundred forty-two billion, twenty-two million, five hundred seventy-eight thousand, eight hundred twenty-three".