1323440412115 has 4 divisors (see below), whose sum is σ = 1588128494544. Its totient is φ = 1058752329688.

The previous prime is 1323440412101. The next prime is 1323440412137. The reversal of 1323440412115 is 5112140443231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1323440412115 - 2¹¹ = 1323440410067 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132344041207 + ... + 132344041216.

It is an arithmetic number, because the mean of its divisors is an integer number (397032123636).

Almost surely, 2^{1323440412115} is an apocalyptic number.

1323440412115 is a deficient number, since it is larger than the sum of its proper divisors (264688082429).

1323440412115 is an equidigital number, since it uses as much as digits as its factorization.

1323440412115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264688082428.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 1323440412115 its reverse (5112140443231), we get a palindrome (6435580855346).

The spelling of 1323440412115 in words is "one trillion, three hundred twenty-three billion, four hundred forty million, four hundred twelve thousand, one hundred fifteen".