1313123223000 has 64 divisors (see below), whose sum is σ = 4096944465120. Its totient is φ = 350166192000.

The previous prime is 1313123222981. The next prime is 1313123223029. The reversal of 1313123223000 is 3223213131.

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, 218850871 + ... + 218856870.

Almost surely, 2^{1313123223000} is an apocalyptic number.

1313123223000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313123223000 is an abundant number, since it is smaller than the sum of its proper divisors (2783821242120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313123223000 is a wasteful number, since it uses less digits than its factorization.

1313123223000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437707765 (or 437707751 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1313123223000 its reverse (3223213131), we get a palindrome (1316346436131).

The spelling of 1313123223000 in words is "one trillion, three hundred thirteen billion, one hundred twenty-three million, two hundred twenty-three thousand".