123207064291 has 2 divisors, whose sum is σ = 123207064292. Its totient is φ = 123207064290.

The previous prime is 123207064259. The next prime is 123207064303. The reversal of 123207064291 is 192460702321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123207064291 - 2⁵ = 123207064259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123207064291.

It is not a weakly prime, because it can be changed into another prime (123207062291) 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, 61603532145 + 61603532146.

It is an arithmetic number, because the mean of its divisors is an integer number (61603532146).

Almost surely, 2^123207064291 is an apocalyptic number.

123207064291 is a deficient number, since it is larger than the sum of its proper divisors (1).

123207064291 is an equidigital number, since it uses as much as digits as its factorization.

123207064291 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 123207064291 in words is "one hundred twenty-three billion, two hundred seven million, sixty-four thousand, two hundred ninety-one".