123142331132 has 6 divisors (see below), whose sum is σ = 215499079488. Its totient is φ = 61571165564.

The previous prime is 123142331093. The next prime is 123142331141. The reversal of 123142331132 is 231133241321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15392791388 + ... + 15392791395.

It is an arithmetic number, because the mean of its divisors is an integer number (35916513248).

Almost surely, 2^123142331132 is an apocalyptic number.

It is an amenable number.

123142331132 is a deficient number, since it is larger than the sum of its proper divisors (92356748356).

123142331132 is a wasteful number, since it uses less digits than its factorization.

123142331132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30785582787 (or 30785582785 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

Adding to 123142331132 its reverse (231133241321), we get a palindrome (354275572453).

The spelling of 123142331132 in words is "one hundred twenty-three billion, one hundred forty-two million, three hundred thirty-one thousand, one hundred thirty-two".