102342043 has 4 divisors (see below), whose sum is σ = 102521848. Its totient is φ = 102162240.

The previous prime is 102342013. The next prime is 102342089. The reversal of 102342043 is 340243201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340243201 = 107 ⋅3179843.

It is a cyclic number.

It is not a de Polignac number, because 102342043 - 2⁵ = 102342011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102342043.

It is not an unprimeable number, because it can be changed into a prime (102342013) 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, 89046 + ... + 90187.

It is an arithmetic number, because the mean of its divisors is an integer number (25630462).

Almost surely, 2^102342043 is an apocalyptic number.

102342043 is a deficient number, since it is larger than the sum of its proper divisors (179805).

102342043 is an equidigital number, since it uses as much as digits as its factorization.

102342043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179804.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 102342043 is about 10116.4244177476. The cubic root of 102342043 is about 467.7545572400.

Adding to 102342043 its reverse (340243201), we get a palindrome (442585244).

The spelling of 102342043 in words is "one hundred two million, three hundred forty-two thousand, forty-three".