123200032312 has 32 divisors (see below), whose sum is σ = 275478336000. Its totient is φ = 50504360544.

The previous prime is 123200032309. The next prime is 123200032327. The reversal of 123200032312 is 213230002321.

It is a self number, because there is not a number n which added to its sum of digits gives 123200032312.

It is a congruent number.

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, 47824812 + ... + 47827387.

It is an arithmetic number, because the mean of its divisors is an integer number (8608698000).

Almost surely, 2^123200032312 is an apocalyptic number.

It is an amenable number.

123200032312 is an abundant number, since it is smaller than the sum of its proper divisors (152278303688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123200032312 is a wasteful number, since it uses less digits than its factorization.

123200032312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95652235 (or 95652231 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 123200032312 its reverse (213230002321), we get a palindrome (336430034633).

The spelling of 123200032312 in words is "one hundred twenty-three billion, two hundred million, thirty-two thousand, three hundred twelve".