123003550101 has 32 divisors (see below), whose sum is σ = 171322590208. Its totient is φ = 78421271040.

The previous prime is 123003550093. The next prime is 123003550127. The reversal of 123003550101 is 101055300321.

It is not a de Polignac number, because 123003550101 - 2³ = 123003550093 is a prime.

It is a super-2 number, since 2×123003550101² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123003550151) 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 31 ways as a sum of consecutive naturals, for example, 10604361 + ... + 10615953.

It is an arithmetic number, because the mean of its divisors is an integer number (5353830944).

Almost surely, 2^123003550101 is an apocalyptic number.

It is an amenable number.

123003550101 is a deficient number, since it is larger than the sum of its proper divisors (48319040107).

123003550101 is a wasteful number, since it uses less digits than its factorization.

123003550101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13261.

The product of its (nonzero) digits is 450, while the sum is 21.

Adding to 123003550101 its reverse (101055300321), we get a palindrome (224058850422).

The spelling of 123003550101 in words is "one hundred twenty-three billion, three million, five hundred fifty thousand, one hundred one".