123201346397 has 2 divisors, whose sum is σ = 123201346398. Its totient is φ = 123201346396.

The previous prime is 123201346363. The next prime is 123201346529. The reversal of 123201346397 is 793643102321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119698008676 + 3503337721 = 345974^2 + 59189^2 .

It is a cyclic number.

It is not a de Polignac number, because 123201346397 - 2³⁶ = 54481869661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123201346997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61600673198 + 61600673199.

It is an arithmetic number, because the mean of its divisors is an integer number (61600673199).

Almost surely, 2^123201346397 is an apocalyptic number.

It is an amenable number.

123201346397 is a deficient number, since it is larger than the sum of its proper divisors (1).

123201346397 is an equidigital number, since it uses as much as digits as its factorization.

123201346397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 41.

The spelling of 123201346397 in words is "one hundred twenty-three billion, two hundred one million, three hundred forty-six thousand, three hundred ninety-seven".