1323111110004 has 36 divisors (see below), whose sum is σ = 3357855708480. Its totient is φ = 439279914000.

The previous prime is 1323111109927. The next prime is 1323111110039. The reversal of 1323111110004 is 4000111113231.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 11 ways as a sum of consecutive naturals, for example, 73204284 + ... + 73222355.

It is an arithmetic number, because the mean of its divisors is an integer number (93273769680).

Almost surely, 2^{1323111110004} is an apocalyptic number.

It is an amenable number.

1323111110004 is an abundant number, since it is smaller than the sum of its proper divisors (2034744598476).

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

1323111110004 is a wasteful number, since it uses less digits than its factorization.

1323111110004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146426900 (or 146426895 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1323111110004 its reverse (4000111113231), we get a palindrome (5323222223235).

The spelling of 1323111110004 in words is "one trillion, three hundred twenty-three billion, one hundred eleven million, one hundred ten thousand, four".