42323105324520 has 48 divisors (see below), whose sum is σ = 137550092305860. Its totient is φ = 11286161419776.

The previous prime is 42323105324519. The next prime is 42323105324557. The reversal of 42323105324520 is 2542350132324.

42323105324520 is a `hidden beast` number, since 4 + 2 + 3 + 2 + 3 + 105 + 3 + 24 + 520 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 41883703384644 + 439401939876 = 6471762^2 + 662874^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58782090369 + ... + 58782091088.

Almost surely, 2^{42323105324520} is an apocalyptic number.

42323105324520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42323105324520 is an abundant number, since it is smaller than the sum of its proper divisors (95226986981340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42323105324520 is a wasteful number, since it uses less digits than its factorization.

42323105324520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117564181474 (or 117564181467 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 42323105324520 its reverse (2542350132324), we get a palindrome (44865455456844).

The spelling of 42323105324520 in words is "forty-two trillion, three hundred twenty-three billion, one hundred five million, three hundred twenty-four thousand, five hundred twenty".