28347709829323 has 2 divisors, whose sum is σ = 28347709829324. Its totient is φ = 28347709829322.

The previous prime is 28347709829303. The next prime is 28347709829429. The reversal of 28347709829323 is 32392890774382.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28347709829323 - 2⁹ = 28347709828811 is a prime.

It is not a weakly prime, because it can be changed into another prime (28347709829303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14173854914661 + 14173854914662.

It is an arithmetic number, because the mean of its divisors is an integer number (14173854914662).

Almost surely, 2^{28347709829323} is an apocalyptic number.

28347709829323 is a deficient number, since it is larger than the sum of its proper divisors (1).

28347709829323 is an equidigital number, since it uses as much as digits as its factorization.

28347709829323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 219469824, while the sum is 67.

The spelling of 28347709829323 in words is "twenty-eight trillion, three hundred forty-seven billion, seven hundred nine million, eight hundred twenty-nine thousand, three hundred twenty-three".