123067155505 has 16 divisors (see below), whose sum is σ = 170914245120. Its totient is φ = 83320690752.

The previous prime is 123067155503. The next prime is 123067155521. The reversal of 123067155505 is 505551760321.

It is not a de Polignac number, because 123067155505 - 2¹ = 123067155503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123067155503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22251694 + ... + 22257223.

It is an arithmetic number, because the mean of its divisors is an integer number (10682140320).

Almost surely, 2^123067155505 is an apocalyptic number.

It is an amenable number.

123067155505 is a deficient number, since it is larger than the sum of its proper divisors (47847089615).

123067155505 is an equidigital number, since it uses as much as digits as its factorization.

123067155505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44509008.

The product of its (nonzero) digits is 157500, while the sum is 40.

The spelling of 123067155505 in words is "one hundred twenty-three billion, sixty-seven million, one hundred fifty-five thousand, five hundred five".