43523223022142 has 32 divisors (see below), whose sum is σ = 67250632665600. Its totient is φ = 21116045059200.

The previous prime is 43523223022099. The next prime is 43523223022187. The reversal of 43523223022142 is 24122032232534.

It is a happy number.

It is a super-2 number, since 2×43523223022142² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32635142 + ... + 33942582.

It is an arithmetic number, because the mean of its divisors is an integer number (2101582270800).

Almost surely, 2^{43523223022142} is an apocalyptic number.

43523223022142 is a deficient number, since it is larger than the sum of its proper divisors (23727409643458).

43523223022142 is a wasteful number, since it uses less digits than its factorization.

43523223022142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311152.

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 43523223022142 its reverse (24122032232534), we get a palindrome (67645255254676).

The spelling of 43523223022142 in words is "forty-three trillion, five hundred twenty-three billion, two hundred twenty-three million, twenty-two thousand, one hundred forty-two".