102238993 has 8 divisors (see below), whose sum is σ = 104781600. Its totient is φ = 99703968.

The previous prime is 102238991. The next prime is 102239009. The reversal of 102238993 is 399832201.

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 102238993 - 2¹ = 102238991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102238991) 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, 33318 + ... + 36256.

It is an arithmetic number, because the mean of its divisors is an integer number (13097700).

Almost surely, 2^102238993 is an apocalyptic number.

It is an amenable number.

102238993 is a deficient number, since it is larger than the sum of its proper divisors (2542607).

102238993 is an equidigital number, since it uses as much as digits as its factorization.

102238993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3791.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 102238993 is about 10111.3299323086. The cubic root of 102238993 is about 467.5975077574.

The spelling of 102238993 in words is "one hundred two million, two hundred thirty-eight thousand, nine hundred ninety-three".