123432131433412 has 12 divisors (see below), whose sum is σ = 216006310195200. Its totient is φ = 61716042806216.

The previous prime is 123432131433397. The next prime is 123432131433467. The reversal of 123432131433412 is 214334131234321.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13766589 + ... + 20889787.

It is an arithmetic number, because the mean of its divisors is an integer number (18000525849600).

Almost surely, 2^{123432131433412} is an apocalyptic number.

It is an amenable number.

123432131433412 is a deficient number, since it is larger than the sum of its proper divisors (92574178761788).

123432131433412 is a wasteful number, since it uses less digits than its factorization.

123432131433412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11455250 (or 11455248 counting only the distinct ones).

The product of its digits is 124416, while the sum is 37.

Adding to 123432131433412 its reverse (214334131234321), we get a palindrome (337766262667733).

The spelling of 123432131433412 in words is "one hundred twenty-three trillion, four hundred thirty-two billion, one hundred thirty-one million, four hundred thirty-three thousand, four hundred twelve".