102434243 has 4 divisors (see below), whose sum is σ = 103171320. Its totient is φ = 101697168.

The previous prime is 102434209. The next prime is 102434251. The reversal of 102434243 is 342434201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342434201 = 829 ⋅413069.

It is a cyclic number.

It is not a de Polignac number, because 102434243 - 2⁸ = 102433987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102434273) 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, 368330 + ... + 368607.

It is an arithmetic number, because the mean of its divisors is an integer number (25792830).

Almost surely, 2^102434243 is an apocalyptic number.

102434243 is a deficient number, since it is larger than the sum of its proper divisors (737077).

102434243 is an equidigital number, since it uses as much as digits as its factorization.

102434243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737076.

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

The square root of 102434243 is about 10120.9803378922. The cubic root of 102434243 is about 467.8949818539.

Adding to 102434243 its reverse (342434201), we get a palindrome (444868444).

The spelling of 102434243 in words is "one hundred two million, four hundred thirty-four thousand, two hundred forty-three".