123543065413 has 2 divisors, whose sum is σ = 123543065414. Its totient is φ = 123543065412.

The previous prime is 123543065389. The next prime is 123543065423. The reversal of 123543065413 is 314560345321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121537996129 + 2005069284 = 348623^2 + 44778^2 .

It is a cyclic number.

It is not a de Polignac number, because 123543065413 - 2⁹ = 123543064901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123543065423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61771532706 + 61771532707.

It is an arithmetic number, because the mean of its divisors is an integer number (61771532707).

Almost surely, 2^123543065413 is an apocalyptic number.

It is an amenable number.

123543065413 is a deficient number, since it is larger than the sum of its proper divisors (1).

123543065413 is an equidigital number, since it uses as much as digits as its factorization.

123543065413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 123543065413 in words is "one hundred twenty-three billion, five hundred forty-three million, sixty-five thousand, four hundred thirteen".