123650006155 has 8 divisors (see below), whose sum is σ = 159793854192. Its totient is φ = 91310773728.

The previous prime is 123650006153. The next prime is 123650006171. The reversal of 123650006155 is 551600056321.

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 123650006155 - 2¹ = 123650006153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123650006155.

It is not an unprimeable number, because it can be changed into a prime (123650006153) 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, 951153829 + ... + 951153958.

It is an arithmetic number, because the mean of its divisors is an integer number (19974231774).

Almost surely, 2^123650006155 is an apocalyptic number.

123650006155 is a deficient number, since it is larger than the sum of its proper divisors (36143848037).

123650006155 is a wasteful number, since it uses less digits than its factorization.

123650006155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902307805.

The product of its (nonzero) digits is 27000, while the sum is 34.

The spelling of 123650006155 in words is "one hundred twenty-three billion, six hundred fifty million, six thousand, one hundred fifty-five".