123101330155 has 8 divisors (see below), whose sum is σ = 156411101952. Its totient is φ = 92688060288.

The previous prime is 123101330123. The next prime is 123101330159. The reversal of 123101330155 is 551033101321.

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 123101330155 - 2⁵ = 123101330123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123101330159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 724125387 + ... + 724125556.

It is an arithmetic number, because the mean of its divisors is an integer number (19551387744).

Almost surely, 2^123101330155 is an apocalyptic number.

123101330155 is a deficient number, since it is larger than the sum of its proper divisors (33309771797).

123101330155 is a wasteful number, since it uses less digits than its factorization.

123101330155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448250965.

The product of its (nonzero) digits is 1350, while the sum is 25.

Adding to 123101330155 its reverse (551033101321), we get a palindrome (674134431476).

The spelling of 123101330155 in words is "one hundred twenty-three billion, one hundred one million, three hundred thirty thousand, one hundred fifty-five".