123233222312 has 8 divisors (see below), whose sum is σ = 231062291850. Its totient is φ = 61616611152.

The previous prime is 123233222293. The next prime is 123233222339. The reversal of 123233222312 is 213222332321.

It can be written as a sum of positive squares in only one way, i.e., 74580332836 + 48652889476 = 273094^2 + 220574^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 7702076387 + ... + 7702076402.

Almost surely, 2^123233222312 is an apocalyptic number.

It is an amenable number.

123233222312 is a deficient number, since it is larger than the sum of its proper divisors (107829069538).

123233222312 is a wasteful number, since it uses less digits than its factorization.

123233222312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15404152795 (or 15404152791 counting only the distinct ones).

The product of its digits is 5184, while the sum is 26.

Adding to 123233222312 its reverse (213222332321), we get a palindrome (336455554633).

The spelling of 123233222312 in words is "one hundred twenty-three billion, two hundred thirty-three million, two hundred twenty-two thousand, three hundred twelve".