102342243 has 8 divisors (see below), whose sum is σ = 136774656. Its totient is φ = 68069000.

The previous prime is 102342239. The next prime is 102342281. The reversal of 102342243 is 342243201.

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 102342243 - 2² = 102342239 is a prime.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (102342223) 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, 38283 + ... + 40868.

It is an arithmetic number, because the mean of its divisors is an integer number (17096832).

Almost surely, 2^102342243 is an apocalyptic number.

102342243 is a deficient number, since it is larger than the sum of its proper divisors (34432413).

102342243 is an equidigital number, since it uses as much as digits as its factorization.

102342243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79585.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 102342243 is about 10116.4343026582. The cubic root of 102342243 is about 467.7548619400.

Adding to 102342243 its reverse (342243201), we get a palindrome (444585444).

The spelling of 102342243 in words is "one hundred two million, three hundred forty-two thousand, two hundred forty-three".