102442343 has 4 divisors (see below), whose sum is σ = 103095000. Its totient is φ = 101789688.

The previous prime is 102442339. The next prime is 102442367. The reversal of 102442343 is 343244201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102442343 - 2² = 102442339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102442303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326093 + ... + 326406.

It is an arithmetic number, because the mean of its divisors is an integer number (25773750).

Almost surely, 2^102442343 is an apocalyptic number.

102442343 is a deficient number, since it is larger than the sum of its proper divisors (652657).

102442343 is an equidigital number, since it uses as much as digits as its factorization.

102442343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652656.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 102442343 is about 10121.3804888464. The cubic root of 102442343 is about 467.9073144794.

Adding to 102442343 its reverse (343244201), we get a palindrome (445686544).

The spelling of 102442343 in words is "one hundred two million, four hundred forty-two thousand, three hundred forty-three".