1323223245513 has 48 divisors (see below), whose sum is σ = 2125224751104. Its totient is φ = 787846055040.

The previous prime is 1323223245479. The next prime is 1323223245523. The reversal of 1323223245513 is 3155423223231.

1323223245513 is a `hidden beast` number, since 1 + 3 + 2 + 322 + 324 + 5 + 5 + 1 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-1323223245513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1323223245523) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17018995 + ... + 17096567.

It is an arithmetic number, because the mean of its divisors is an integer number (44275515648).

Almost surely, 2^{1323223245513} is an apocalyptic number.

1323223245513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1323223245513 is a deficient number, since it is larger than the sum of its proper divisors (802001505591).

1323223245513 is a wasteful number, since it uses less digits than its factorization.

1323223245513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82326 (or 82323 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

Adding to 1323223245513 its reverse (3155423223231), we get a palindrome (4478646468744).

The spelling of 1323223245513 in words is "one trillion, three hundred twenty-three billion, two hundred twenty-three million, two hundred forty-five thousand, five hundred thirteen".