523424502312142 has 4 divisors (see below), whose sum is σ = 785136753468216. Its totient is φ = 261712251156070.

The previous prime is 523424502312137. The next prime is 523424502312157. The reversal of 523424502312142 is 241213205424325.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 523424502312095 and 523424502312104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130856125578034 + ... + 130856125578037.

It is an arithmetic number, because the mean of its divisors is an integer number (196284188367054).

Almost surely, 2^{523424502312142} is an apocalyptic number.

523424502312142 is a deficient number, since it is larger than the sum of its proper divisors (261712251156074).

523424502312142 is a wasteful number, since it uses less digits than its factorization.

523424502312142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261712251156073.

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 523424502312142 its reverse (241213205424325), we get a palindrome (764637707736467).

The spelling of 523424502312142 in words is "five hundred twenty-three trillion, four hundred twenty-four billion, five hundred two million, three hundred twelve thousand, one hundred forty-two".