121359482401823 has 2 divisors, whose sum is σ = 121359482401824. Its totient is φ = 121359482401822.

The previous prime is 121359482401721. The next prime is 121359482401873. The reversal of 121359482401823 is 328104284953121.

It is a strong prime.

It is an emirp because it is prime and its reverse (328104284953121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121359482401823 - 2⁴⁴ = 103767296357407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121359482401873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60679741200911 + 60679741200912.

It is an arithmetic number, because the mean of its divisors is an integer number (60679741200912).

Almost surely, 2^{121359482401823} is an apocalyptic number.

121359482401823 is a deficient number, since it is larger than the sum of its proper divisors (1).

121359482401823 is an equidigital number, since it uses as much as digits as its factorization.

121359482401823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 121359482401823 in words is "one hundred twenty-one trillion, three hundred fifty-nine billion, four hundred eighty-two million, four hundred one thousand, eight hundred twenty-three".