121123132200023 has 2 divisors, whose sum is σ = 121123132200024. Its totient is φ = 121123132200022.

The previous prime is 121123132200017. The next prime is 121123132200113. The reversal of 121123132200023 is 320002231321121.

It is a weak prime.

It is an emirp because it is prime and its reverse (320002231321121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121123132200023 - 2¹² = 121123132195927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121123132200223) 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, 60561566100011 + 60561566100012.

It is an arithmetic number, because the mean of its divisors is an integer number (60561566100012).

Almost surely, 2^{121123132200023} is an apocalyptic number.

121123132200023 is a deficient number, since it is larger than the sum of its proper divisors (1).

121123132200023 is an equidigital number, since it uses as much as digits as its factorization.

121123132200023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 121123132200023 its reverse (320002231321121), we get a palindrome (441125363521144).

The spelling of 121123132200023 in words is "one hundred twenty-one trillion, one hundred twenty-three billion, one hundred thirty-two million, two hundred thousand, twenty-three".