121123323231397 has 2 divisors, whose sum is σ = 121123323231398. Its totient is φ = 121123323231396.

The previous prime is 121123323231301. The next prime is 121123323231413. The reversal of 121123323231397 is 793132323321121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60972844037121 + 60150479194276 = 7808511^2 + 7755674^2 .

It is a cyclic number.

It is not a de Polignac number, because 121123323231397 - 2⁷ = 121123323231269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121123323231697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60561661615698 + 60561661615699.

It is an arithmetic number, because the mean of its divisors is an integer number (60561661615699).

Almost surely, 2^{121123323231397} is an apocalyptic number.

It is an amenable number.

121123323231397 is a deficient number, since it is larger than the sum of its proper divisors (1).

121123323231397 is an equidigital number, since it uses as much as digits as its factorization.

121123323231397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 43.

The spelling of 121123323231397 in words is "one hundred twenty-one trillion, one hundred twenty-three billion, three hundred twenty-three million, two hundred thirty-one thousand, three hundred ninety-seven".