123297305884 has 12 divisors (see below), whose sum is σ = 216014651944. Its totient is φ = 61578833904.

The previous prime is 123297305881. The next prime is 123297305897. The reversal of 123297305884 is 488503792321.

It is a happy number.

It is a super-2 number, since 2×123297305884² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123297305881) by changing a digit.

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, 17450787 + ... + 17457850.

Almost surely, 2^123297305884 is an apocalyptic number.

It is an amenable number.

123297305884 is a deficient number, since it is larger than the sum of its proper divisors (92717346060).

123297305884 is a wasteful number, since it uses less digits than its factorization.

123297305884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34909524 (or 34909522 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 123297305884 in words is "one hundred twenty-three billion, two hundred ninety-seven million, three hundred five thousand, eight hundred eighty-four".