6923187800873 has 2 divisors, whose sum is σ = 6923187800874. Its totient is φ = 6923187800872.

The previous prime is 6923187800827. The next prime is 6923187800939. The reversal of 6923187800873 is 3780087813296.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4909096059904 + 2014091740969 = 2215648^2 + 1419187^2 .

It is a cyclic number.

It is not a de Polignac number, because 6923187800873 - 2²² = 6923183606569 is a prime.

It is not a weakly prime, because it can be changed into another prime (6923187802873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3461593900436 + 3461593900437.

It is an arithmetic number, because the mean of its divisors is an integer number (3461593900437).

Almost surely, 2^{6923187800873} is an apocalyptic number.

It is an amenable number.

6923187800873 is a deficient number, since it is larger than the sum of its proper divisors (1).

6923187800873 is an equidigital number, since it uses as much as digits as its factorization.

6923187800873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24385536, while the sum is 62.

The spelling of 6923187800873 in words is "six trillion, nine hundred twenty-three billion, one hundred eighty-seven million, eight hundred thousand, eight hundred seventy-three".