123112433404 has 12 divisors (see below), whose sum is σ = 215452602904. Its totient is φ = 61554546864.

The previous prime is 123112433387. The next prime is 123112433417. The reversal of 123112433404 is 404334211321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243522 + ... + 552745.

Almost surely, 2^123112433404 is an apocalyptic number.

It is an amenable number.

123112433404 is a deficient number, since it is larger than the sum of its proper divisors (92340169500).

123112433404 is a wasteful number, since it uses less digits than its factorization.

123112433404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834924 (or 834922 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 123112433404 its reverse (404334211321), we get a palindrome (527446644725).

It can be divided in two parts, 123112 and 433404, that added together give a square (556516 = 746²).

The spelling of 123112433404 in words is "one hundred twenty-three billion, one hundred twelve million, four hundred thirty-three thousand, four hundred four".