1263423323312 has 10 divisors (see below), whose sum is σ = 2447882688948. Its totient is φ = 631711661648.

The previous prime is 1263423323303. The next prime is 1263423323329. The reversal of 1263423323312 is 2133233243621.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39481978838 + ... + 39481978869.

Almost surely, 2^{1263423323312} is an apocalyptic number.

It is an amenable number.

1263423323312 is a deficient number, since it is larger than the sum of its proper divisors (1184459365636).

1263423323312 is an equidigital number, since it uses as much as digits as its factorization.

1263423323312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78963957715 (or 78963957709 counting only the distinct ones).

The product of its digits is 93312, while the sum is 35.

Adding to 1263423323312 its reverse (2133233243621), we get a palindrome (3396656566933).

The spelling of 1263423323312 in words is "one trillion, two hundred sixty-three billion, four hundred twenty-three million, three hundred twenty-three thousand, three hundred twelve".