423131423243012 has 48 divisors (see below), whose sum is σ = 811838566758912. Its totient is φ = 191370925831680.

The previous prime is 423131423242949. The next prime is 423131423243057. The reversal of 423131423243012 is 210342324131324.

It is a happy 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, 7811948 + ... + 30121244.

It is an arithmetic number, because the mean of its divisors is an integer number (16913303474144).

Almost surely, 2^{423131423243012} is an apocalyptic number.

It is an amenable number.

423131423243012 is a deficient number, since it is larger than the sum of its proper divisors (388707143515900).

423131423243012 is a wasteful number, since it uses less digits than its factorization.

423131423243012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22311468 (or 22311466 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 423131423243012 its reverse (210342324131324), we get a palindrome (633473747374336).

The spelling of 423131423243012 in words is "four hundred twenty-three trillion, one hundred thirty-one billion, four hundred twenty-three million, two hundred forty-three thousand, twelve".