102153223 has 4 divisors (see below), whose sum is σ = 103827928. Its totient is φ = 100478520.

The previous prime is 102153217. The next prime is 102153257. The reversal of 102153223 is 322351201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102153223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102153223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102153203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 837261 + ... + 837382.

It is an arithmetic number, because the mean of its divisors is an integer number (25956982).

Almost surely, 2^102153223 is an apocalyptic number.

102153223 is a deficient number, since it is larger than the sum of its proper divisors (1674705).

102153223 is an equidigital number, since it uses as much as digits as its factorization.

102153223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674704.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 102153223 is about 10107.0877605767. The cubic root of 102153223 is about 467.4667127204.

The spelling of 102153223 in words is "one hundred two million, one hundred fifty-three thousand, two hundred twenty-three".