1323431033004 has 36 divisors (see below), whose sum is σ = 3345827059120. Its totient is φ = 441079391520.

The previous prime is 1323431032993. The next prime is 1323431033011. The reversal of 1323431033004 is 4003301343231.

1323431033004 is a `hidden beast` number, since 1 + 3 + 2 + 343 + 10 + 3 + 300 + 4 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2427799 + ... + 2922510.

Almost surely, 2^{1323431033004} is an apocalyptic number.

It is an amenable number.

1323431033004 is an abundant number, since it is smaller than the sum of its proper divisors (2022396026116).

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

1323431033004 is a wasteful number, since it uses less digits than its factorization.

1323431033004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5357190 (or 5357185 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 1323431033004 its reverse (4003301343231), we get a palindrome (5326732376235).

The spelling of 1323431033004 in words is "one trillion, three hundred twenty-three billion, four hundred thirty-one million, thirty-three thousand, four".