4243234020015 has 32 divisors (see below), whose sum is σ = 6940801278720. Its totient is φ = 2213008959744.

The previous prime is 4243234020013. The next prime is 4243234020079. The reversal of 4243234020015 is 5100204323424.

It is not a de Polignac number, because 4243234020015 - 2¹ = 4243234020013 is a prime.

It is a super-2 number, since 2×4243234020015² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243234020013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15271525 + ... + 15546894.

It is an arithmetic number, because the mean of its divisors is an integer number (216900039960).

Almost surely, 2^{4243234020015} is an apocalyptic number.

4243234020015 is a deficient number, since it is larger than the sum of its proper divisors (2697567258705).

4243234020015 is a wasteful number, since it uses less digits than its factorization.

4243234020015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30818631.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 4243234020015 its reverse (5100204323424), we get a palindrome (9343438343439).

The spelling of 4243234020015 in words is "four trillion, two hundred forty-three billion, two hundred thirty-four million, twenty thousand, fifteen".