87845450468123 has 2 divisors, whose sum is σ = 87845450468124. Its totient is φ = 87845450468122.

The previous prime is 87845450468099. The next prime is 87845450468221. The reversal of 87845450468123 is 32186405454878.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87845450468123 - 2⁶ = 87845450468059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87845450468123.

It is not a weakly prime, because it can be changed into another prime (87845450468023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43922725234061 + 43922725234062.

It is an arithmetic number, because the mean of its divisors is an integer number (43922725234062).

Almost surely, 2^{87845450468123} is an apocalyptic number.

87845450468123 is a deficient number, since it is larger than the sum of its proper divisors (1).

87845450468123 is an equidigital number, since it uses as much as digits as its factorization.

87845450468123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 206438400, while the sum is 65.

The spelling of 87845450468123 in words is "eighty-seven trillion, eight hundred forty-five billion, four hundred fifty million, four hundred sixty-eight thousand, one hundred twenty-three".