1323435036672 has 156 divisors (see below), whose sum is σ = 4368903784960. Its totient is φ = 378124222464.

The previous prime is 1323435036667. The next prime is 1323435036691. The reversal of 1323435036672 is 2766305343231.

1323435036672 is a `hidden beast` number, since 1 + 3 + 234 + 3 + 50 + 366 + 7 + 2 = 666.

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, 2306272 + ... + 2822367.

Almost surely, 2^{1323435036672} is an apocalyptic number.

1323435036672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1323435036672 is an abundant number, since it is smaller than the sum of its proper divisors (3045468748288).

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

1323435036672 is an equidigital number, since it uses as much as digits as its factorization.

1323435036672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5128676 (or 5128651 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 45.

The spelling of 1323435036672 in words is "one trillion, three hundred twenty-three billion, four hundred thirty-five million, thirty-six thousand, six hundred seventy-two".