243423005145 has 8 divisors (see below), whose sum is σ = 389476808256. Its totient is φ = 129825602736.

The previous prime is 243423005131. The next prime is 243423005167. The reversal of 243423005145 is 541500324342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 243423005145 - 2⁷ = 243423005017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8114100157 + ... + 8114100186.

It is an arithmetic number, because the mean of its divisors is an integer number (48684601032).

Almost surely, 2^243423005145 is an apocalyptic number.

It is an amenable number.

243423005145 is a deficient number, since it is larger than the sum of its proper divisors (146053803111).

243423005145 is a wasteful number, since it uses less digits than its factorization.

243423005145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16228200351.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 243423005145 its reverse (541500324342), we get a palindrome (784923329487).

The spelling of 243423005145 in words is "two hundred forty-three billion, four hundred twenty-three million, five thousand, one hundred forty-five".