12328987636253 has 2 divisors, whose sum is σ = 12328987636254. Its totient is φ = 12328987636252.

The previous prime is 12328987636211. The next prime is 12328987636351. The reversal of 12328987636253 is 35263678982321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7757935084249 + 4571052552004 = 2785307^2 + 2138002^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12328987636253 is a prime.

It is a super-2 number, since 2×12328987636253² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12328987636253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12328987633253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6164493818126 + 6164493818127.

It is an arithmetic number, because the mean of its divisors is an integer number (6164493818127).

Almost surely, 2^{12328987636253} is an apocalyptic number.

It is an amenable number.

12328987636253 is a deficient number, since it is larger than the sum of its proper divisors (1).

12328987636253 is an equidigital number, since it uses as much as digits as its factorization.

12328987636253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 156764160, while the sum is 65.

The spelling of 12328987636253 in words is "twelve trillion, three hundred twenty-eight billion, nine hundred eighty-seven million, six hundred thirty-six thousand, two hundred fifty-three".