13321230023442 has 32 divisors (see below), whose sum is σ = 29087050155840. Its totient is φ = 4033604664320.

The previous prime is 13321230023417. The next prime is 13321230023447. The reversal of 13321230023442 is 24432003212331.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13321230023447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78206943 + ... + 78377090.

It is an arithmetic number, because the mean of its divisors is an integer number (908970317370).

Almost surely, 2^{13321230023442} is an apocalyptic number.

13321230023442 is an abundant number, since it is smaller than the sum of its proper divisors (15765820132398).

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

13321230023442 is a wasteful number, since it uses less digits than its factorization.

13321230023442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156585338.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 13321230023442 its reverse (24432003212331), we get a palindrome (37753233235773).

The spelling of 13321230023442 in words is "thirteen trillion, three hundred twenty-one billion, two hundred thirty million, twenty-three thousand, four hundred forty-two".