123442310132 has 12 divisors (see below), whose sum is σ = 221292922116. Its totient is φ = 60215760960.

The previous prime is 123442310119. The next prime is 123442310203. The reversal of 123442310132 is 231013244321.

It can be written as a sum of positive squares in 2 ways, for example, as 57944192656 + 65498117476 = 240716^2 + 255926^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376348343 + ... + 376348670.

It is an arithmetic number, because the mean of its divisors is an integer number (18441076843).

Almost surely, 2^123442310132 is an apocalyptic number.

It is an amenable number.

123442310132 is a deficient number, since it is larger than the sum of its proper divisors (97850611984).

123442310132 is a wasteful number, since it uses less digits than its factorization.

123442310132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752697058 (or 752697056 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 123442310132 its reverse (231013244321), we get a palindrome (354455554453).

The spelling of 123442310132 in words is "one hundred twenty-three billion, four hundred forty-two million, three hundred ten thousand, one hundred thirty-two".