102448823 has 2 divisors, whose sum is σ = 102448824. Its totient is φ = 102448822.

The previous prime is 102448813. The next prime is 102448837. The reversal of 102448823 is 328844201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102448823 - 2⁴ = 102448807 is a prime.

It is a super-2 number, since 2×102448823² = 20991522668170658, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102448823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102448813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51224411 + 51224412.

It is an arithmetic number, because the mean of its divisors is an integer number (51224412).

Almost surely, 2^102448823 is an apocalyptic number.

102448823 is a deficient number, since it is larger than the sum of its proper divisors (1).

102448823 is an equidigital number, since it uses as much as digits as its factorization.

102448823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 102448823 is about 10121.7005982196. The cubic root of 102448823 is about 467.9171801117.

The spelling of 102448823 in words is "one hundred two million, four hundred forty-eight thousand, eight hundred twenty-three".