123564161183 has 2 divisors, whose sum is σ = 123564161184. Its totient is φ = 123564161182.

The previous prime is 123564161141. The next prime is 123564161221. The reversal of 123564161183 is 381161465321.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123564161183 - 2¹⁶ = 123564095647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123564161183.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123564167183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61782080591 + 61782080592.

It is an arithmetic number, because the mean of its divisors is an integer number (61782080592).

Almost surely, 2^123564161183 is an apocalyptic number.

123564161183 is a deficient number, since it is larger than the sum of its proper divisors (1).

123564161183 is an equidigital number, since it uses as much as digits as its factorization.

123564161183 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 41.

The spelling of 123564161183 in words is "one hundred twenty-three billion, five hundred sixty-four million, one hundred sixty-one thousand, one hundred eighty-three".