108723009667 has 2 divisors, whose sum is σ = 108723009668. Its totient is φ = 108723009666.

The previous prime is 108723009649. The next prime is 108723009727. The reversal of 108723009667 is 766900327801.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 108723009667 - 2¹⁵ = 108722976899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 108723009667.

It is not a weakly prime, because it can be changed into another prime (108723009607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54361504833 + 54361504834.

It is an arithmetic number, because the mean of its divisors is an integer number (54361504834).

Almost surely, 2^108723009667 is an apocalyptic number.

108723009667 is a deficient number, since it is larger than the sum of its proper divisors (1).

108723009667 is an equidigital number, since it uses as much as digits as its factorization.

108723009667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 762048, while the sum is 49.

The spelling of 108723009667 in words is "one hundred eight billion, seven hundred twenty-three million, nine thousand, six hundred sixty-seven".