123134143431222 has 240 divisors, whose sum is σ = 350179559750592. Its totient is φ = 31978965201120.

The previous prime is 123134143431209. The next prime is 123134143431251. The reversal of 123134143431222 is 222134341431321.

123134143431222 is a `hidden beast` number, since 1 + 2 + 3 + 13 + 414 + 3 + 4 + 3 + 1 + 222 = 666.

It is a super-2 number, since 2×123134143431222² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 747621693 + ... + 747786375.

Almost surely, 2^{123134143431222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123134143431222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175089779875296).

123134143431222 is an abundant number, since it is smaller than the sum of its proper divisors (227045416319370).

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

123134143431222 is a wasteful number, since it uses less digits than its factorization.

123134143431222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173285 (or 173269 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

Adding to 123134143431222 its reverse (222134341431321), we get a palindrome (345268484862543).

The spelling of 123134143431222 in words is "one hundred twenty-three trillion, one hundred thirty-four billion, one hundred forty-three million, four hundred thirty-one thousand, two hundred twenty-two".