123134533132 has 12 divisors (see below), whose sum is σ = 232061235616. Its totient is φ = 56831322960.

The previous prime is 123134533019. The next prime is 123134533133. The reversal of 123134533132 is 231335431321.

It is a happy number.

It is a super-2 number, since 2×123134533132² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123134533094 and 123134533103.

It is not an unprimeable number, because it can be changed into a prime (123134533133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1183985844 + ... + 1183985947.

Almost surely, 2^123134533132 is an apocalyptic number.

It is an amenable number.

123134533132 is a deficient number, since it is larger than the sum of its proper divisors (108926702484).

123134533132 is a wasteful number, since it uses less digits than its factorization.

123134533132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367971808 (or 2367971806 counting only the distinct ones).

The product of its digits is 19440, while the sum is 31.

Adding to 123134533132 its reverse (231335431321), we get a palindrome (354469964453).

The spelling of 123134533132 in words is "one hundred twenty-three billion, one hundred thirty-four million, five hundred thirty-three thousand, one hundred thirty-two".