123422550115 has 4 divisors (see below), whose sum is σ = 148107060144. Its totient is φ = 98738040088.

The previous prime is 123422550049. The next prime is 123422550131. The reversal of 123422550115 is 511055224321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 511055224321 = 103 ⋅4961701207.

It is a cyclic number.

It is not a de Polignac number, because 123422550115 - 2¹³ = 123422541923 is a prime.

It is a super-3 number, since 3×123422550115³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 12342255007 + ... + 12342255016.

It is an arithmetic number, because the mean of its divisors is an integer number (37026765036).

Almost surely, 2^123422550115 is an apocalyptic number.

123422550115 is a deficient number, since it is larger than the sum of its proper divisors (24684510029).

123422550115 is an equidigital number, since it uses as much as digits as its factorization.

123422550115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24684510028.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 123422550115 its reverse (511055224321), we get a palindrome (634477774436).

The spelling of 123422550115 in words is "one hundred twenty-three billion, four hundred twenty-two million, five hundred fifty thousand, one hundred fifteen".