123522866987 has 8 divisors (see below), whose sum is σ = 133028644896. Its totient is φ = 114017663232.

The previous prime is 123522866969. The next prime is 123522867007. The reversal of 123522866987 is 789668225321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123522866987 - 2⁶ = 123522866923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123522866917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371858 + ... + 620744.

It is an arithmetic number, because the mean of its divisors is an integer number (16628580612).

Almost surely, 2^123522866987 is an apocalyptic number.

123522866987 is a deficient number, since it is larger than the sum of its proper divisors (9505777909).

123522866987 is a wasteful number, since it uses less digits than its factorization.

123522866987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287077.

The product of its digits is 17418240, while the sum is 59.

The spelling of 123522866987 in words is "one hundred twenty-three billion, five hundred twenty-two million, eight hundred sixty-six thousand, nine hundred eighty-seven".