1323329308697 has 12 divisors (see below), whose sum is σ = 1455176740500. Its totient is φ = 1202523653760.

The previous prime is 1323329308681. The next prime is 1323329308709. The reversal of 1323329308697 is 7968039233231.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 257105787136 + 1066223521561 = 507056^2 + 1032581^2 .

It is not a de Polignac number, because 1323329308697 - 2⁴ = 1323329308681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323329308607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1995572 + ... + 2574677.

It is an arithmetic number, because the mean of its divisors is an integer number (121264728375).

Almost surely, 2^{1323329308697} is an apocalyptic number.

It is an amenable number.

1323329308697 is a deficient number, since it is larger than the sum of its proper divisors (131847431803).

1323329308697 is a wasteful number, since it uses less digits than its factorization.

1323329308697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4572664 (or 4572653 counting only the distinct ones).

The product of its (nonzero) digits is 8817984, while the sum is 56.

The spelling of 1323329308697 in words is "one trillion, three hundred twenty-three billion, three hundred twenty-nine million, three hundred eight thousand, six hundred ninety-seven".