102343242 has 16 divisors (see below), whose sum is σ = 205504992. Its totient is φ = 33978000.

The previous prime is 102343231. The next prime is 102343249. The reversal of 102343242 is 242343201.

It is not an unprimeable number, because it can be changed into a prime (102343249) 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 7 ways as a sum of consecutive naturals, for example, 32473 + ... + 35484.

It is an arithmetic number, because the mean of its divisors is an integer number (12844062).

Almost surely, 2^102343242 is an apocalyptic number.

102343242 is an abundant number, since it is smaller than the sum of its proper divisors (103161750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102343242 is a wasteful number, since it uses less digits than its factorization.

102343242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68213.

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

The square root of 102343242 is about 10116.4836776421. The cubic root of 102343242 is about 467.7563839104.

Adding to 102343242 its reverse (242343201), we get a palindrome (344686443).

The spelling of 102343242 in words is "one hundred two million, three hundred forty-three thousand, two hundred forty-two".