123613551222 has 32 divisors (see below), whose sum is σ = 299165571072. Its totient is φ = 33240618624.

The previous prime is 123613551211. The next prime is 123613551227. The reversal of 123613551222 is 222155316321.

123613551222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123613551227) 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, 86563398 + ... + 86564825.

It is an arithmetic number, because the mean of its divisors is an integer number (9348924096).

Almost surely, 2^123613551222 is an apocalyptic number.

123613551222 is an abundant number, since it is smaller than the sum of its proper divisors (175552019850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123613551222 is a wasteful number, since it uses less digits than its factorization.

123613551222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173128252.

The product of its digits is 21600, while the sum is 33.

Adding to 123613551222 its reverse (222155316321), we get a palindrome (345768867543).

The spelling of 123613551222 in words is "one hundred twenty-three billion, six hundred thirteen million, five hundred fifty-one thousand, two hundred twenty-two".