123012333032 has 8 divisors (see below), whose sum is σ = 230648124450. Its totient is φ = 61506166512.

The previous prime is 123012333019. The next prime is 123012333043. The reversal of 123012333032 is 230333210321.

It can be written as a sum of positive squares in only one way, i.e., 70412745316 + 52599587716 = 265354^2 + 229346^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 123012332989 and 123012333007.

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, 7688270807 + ... + 7688270822.

Almost surely, 2^123012333032 is an apocalyptic number.

It is an amenable number.

123012333032 is a deficient number, since it is larger than the sum of its proper divisors (107635791418).

123012333032 is a wasteful number, since it uses less digits than its factorization.

123012333032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15376541635 (or 15376541631 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 123012333032 its reverse (230333210321), we get a palindrome (353345543353).

The spelling of 123012333032 in words is "one hundred twenty-three billion, twelve million, three hundred thirty-three thousand, thirty-two".