4123424543345 has 8 divisors (see below), whose sum is σ = 4948189352640. Its totient is φ = 3298686367600.

The previous prime is 4123424543339. The next prime is 4123424543347. The reversal of 4123424543345 is 5433454243214.

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

It is not a de Polignac number, because 4123424543345 - 2¹⁴ = 4123424526961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4123424543296 and 4123424543305.

It is not an unprimeable number, because it can be changed into a prime (4123424543347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6316181 + ... + 6938370.

It is an arithmetic number, because the mean of its divisors is an integer number (618523669080).

Almost surely, 2^{4123424543345} is an apocalyptic number.

It is an amenable number.

4123424543345 is a deficient number, since it is larger than the sum of its proper divisors (824764809295).

4123424543345 is a wasteful number, since it uses less digits than its factorization.

4123424543345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13316775.

The product of its digits is 2764800, while the sum is 44.

Adding to 4123424543345 its reverse (5433454243214), we get a palindrome (9556878786559).

The spelling of 4123424543345 in words is "four trillion, one hundred twenty-three billion, four hundred twenty-four million, five hundred forty-three thousand, three hundred forty-five".