123952889167 has 4 divisors (see below), whose sum is σ = 123953593680. Its totient is φ = 123952184656.

The previous prime is 123952889141. The next prime is 123952889209. The reversal of 123952889167 is 761988259321.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123952889167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123952889117) 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 in 3 ways as a sum of consecutive naturals, for example, 158934 + ... + 522652.

It is an arithmetic number, because the mean of its divisors is an integer number (30988398420).

Almost surely, 2^123952889167 is an apocalyptic number.

123952889167 is a deficient number, since it is larger than the sum of its proper divisors (704513).

123952889167 is an equidigital number, since it uses as much as digits as its factorization.

123952889167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704512.

The product of its digits is 13063680, while the sum is 61.

The spelling of 123952889167 in words is "one hundred twenty-three billion, nine hundred fifty-two million, eight hundred eighty-nine thousand, one hundred sixty-seven".