102445323321 has 8 divisors (see below), whose sum is σ = 149011379424. Its totient is φ = 62088074720.

The previous prime is 102445323317. The next prime is 102445323373. The reversal of 102445323321 is 123323544201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102445323321 - 2² = 102445323317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102445323311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1552201836 + ... + 1552201901.

It is an arithmetic number, because the mean of its divisors is an integer number (18626422428).

Almost surely, 2^102445323321 is an apocalyptic number.

102445323321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102445323321 is a deficient number, since it is larger than the sum of its proper divisors (46566056103).

102445323321 is a wasteful number, since it uses less digits than its factorization.

102445323321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3104403751.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 102445323321 its reverse (123323544201), we get a palindrome (225768867522).

The spelling of 102445323321 in words is "one hundred two billion, four hundred forty-five million, three hundred twenty-three thousand, three hundred twenty-one".