42423502132205 has 24 divisors (see below), whose sum is σ = 53762248702872. Its totient is φ = 32132413708416.

The previous prime is 42423502132199. The next prime is 42423502132213. The reversal of 42423502132205 is 50223120532424.

It can be written as a sum of positive squares in 4 ways, for example, as 2025808509481 + 40397693622724 = 1423309^2 + 6355918^2 .

It is not a de Polignac number, because 42423502132205 - 2³⁴ = 42406322263021 is a prime.

It is a super-2 number, since 2×42423502132205² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4476002 + ... + 10241171.

It is an arithmetic number, because the mean of its divisors is an integer number (2240093695953).

Almost surely, 2^{42423502132205} is an apocalyptic number.

It is an amenable number.

42423502132205 is a deficient number, since it is larger than the sum of its proper divisors (11338746570667).

42423502132205 is a wasteful number, since it uses less digits than its factorization.

42423502132205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14718813 (or 14718794 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 42423502132205 its reverse (50223120532424), we get a palindrome (92646622664629).

The spelling of 42423502132205 in words is "forty-two trillion, four hundred twenty-three billion, five hundred two million, one hundred thirty-two thousand, two hundred five".