102453321 has 4 divisors (see below), whose sum is σ = 136604432. Its totient is φ = 68302212.

The previous prime is 102453319. The next prime is 102453341. The reversal of 102453321 is 123354201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 102453321 - 2¹ = 102453319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102453311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17075551 + ... + 17075556.

It is an arithmetic number, because the mean of its divisors is an integer number (34151108).

Almost surely, 2^102453321 is an apocalyptic number.

It is an amenable number.

102453321 is a deficient number, since it is larger than the sum of its proper divisors (34151111).

102453321 is an equidigital number, since it uses as much as digits as its factorization.

102453321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34151110.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 102453321 is about 10121.9227916439. The cubic root of 102453321 is about 467.9240279557.

It can be divided in two parts, 1024 and 53321, that added together give a palindrome (54345).

The spelling of 102453321 in words is "one hundred two million, four hundred fifty-three thousand, three hundred twenty-one".