501231444423142 has 8 divisors (see below), whose sum is σ = 796073470554456. Its totient is φ = 235873620904992.

The previous prime is 501231444423071. The next prime is 501231444423161. The reversal of 501231444423142 is 241324444132105.

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

It is a junction number, because it is equal to n+sod(n) for n = 501231444423095 and 501231444423104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7371050653248 + ... + 7371050653315.

It is an arithmetic number, because the mean of its divisors is an integer number (99509183819307).

Almost surely, 2^{501231444423142} is an apocalyptic number.

501231444423142 is a deficient number, since it is larger than the sum of its proper divisors (294842026131314).

501231444423142 is a wasteful number, since it uses less digits than its factorization.

501231444423142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14742101306582.

The product of its (nonzero) digits is 368640, while the sum is 40.

Adding to 501231444423142 its reverse (241324444132105), we get a palindrome (742555888555247).

The spelling of 501231444423142 in words is "five hundred one trillion, two hundred thirty-one billion, four hundred forty-four million, four hundred twenty-three thousand, one hundred forty-two".