123044120100397 has 2 divisors, whose sum is σ = 123044120100398. Its totient is φ = 123044120100396.

The previous prime is 123044120100359. The next prime is 123044120100403. The reversal of 123044120100397 is 793001021440321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67294885595716 + 55749234504681 = 8203346^2 + 7466541^2 .

It is a cyclic number.

It is not a de Polignac number, because 123044120100397 - 2¹⁵ = 123044120067629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123044120103397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61522060050198 + 61522060050199.

It is an arithmetic number, because the mean of its divisors is an integer number (61522060050199).

Almost surely, 2^{123044120100397} is an apocalyptic number.

It is an amenable number.

123044120100397 is a deficient number, since it is larger than the sum of its proper divisors (1).

123044120100397 is an equidigital number, since it uses as much as digits as its factorization.

123044120100397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 123044120100397 in words is "one hundred twenty-three trillion, forty-four billion, one hundred twenty million, one hundred thousand, three hundred ninety-seven".