121423243103 has 2 divisors, whose sum is σ = 121423243104. Its totient is φ = 121423243102.

The previous prime is 121423243069. The next prime is 121423243181. The reversal of 121423243103 is 301342324121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121423243103 - 2⁸ = 121423242847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121423233103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60711621551 + 60711621552.

It is an arithmetic number, because the mean of its divisors is an integer number (60711621552).

Almost surely, 2^121423243103 is an apocalyptic number.

121423243103 is a deficient number, since it is larger than the sum of its proper divisors (1).

121423243103 is an equidigital number, since it uses as much as digits as its factorization.

121423243103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 121423243103 its reverse (301342324121), we get a palindrome (422765567224).

The spelling of 121423243103 in words is "one hundred twenty-one billion, four hundred twenty-three million, two hundred forty-three thousand, one hundred three".