13423220242000 has 40 divisors (see below), whose sum is σ = 32457346549992. Its totient is φ = 5369288096000.

The previous prime is 13423220241989. The next prime is 13423220242067. The reversal of 13423220242000 is 24202232431.

It can be written as a sum of positive squares in 4 ways, for example, as 847231884304 + 12575988357696 = 920452^2 + 3546264^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3355803061 + ... + 3355807060.

Almost surely, 2^{13423220242000} is an apocalyptic number.

13423220242000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13423220242000 is an abundant number, since it is smaller than the sum of its proper divisors (19034126307992).

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

13423220242000 is an equidigital number, since it uses as much as digits as its factorization.

13423220242000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6711610144 (or 6711610128 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 13423220242000 its reverse (24202232431), we get a palindrome (13447422474431).

The spelling of 13423220242000 in words is "thirteen trillion, four hundred twenty-three billion, two hundred twenty million, two hundred forty-two thousand".