123122243432 has 32 divisors (see below), whose sum is σ = 238655527680. Its totient is φ = 59486676480.

The previous prime is 123122243417. The next prime is 123122243443. The reversal of 123122243432 is 234342221321.

It is a junction number, because it is equal to n+sod(n) for n = 123122243395 and 123122243404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201938 + ... + 535745.

It is an arithmetic number, because the mean of its divisors is an integer number (7457985240).

Almost surely, 2^123122243432 is an apocalyptic number.

It is an amenable number.

123122243432 is a deficient number, since it is larger than the sum of its proper divisors (115533284248).

123122243432 is a wasteful number, since it uses less digits than its factorization.

123122243432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738393 (or 738389 counting only the distinct ones).

The product of its digits is 13824, while the sum is 29.

Adding to 123122243432 its reverse (234342221321), we get a palindrome (357464464753).

The spelling of 123122243432 in words is "one hundred twenty-three billion, one hundred twenty-two million, two hundred forty-three thousand, four hundred thirty-two".