1323404122055 has 4 divisors (see below), whose sum is σ = 1588084946472. Its totient is φ = 1058723297640.

The previous prime is 1323404121989. The next prime is 1323404122121. The reversal of 1323404122055 is 5502214043231.

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

It is an interprime number because it is at equal distance from previous prime (1323404121989) and next prime (1323404122121).

It is not a de Polignac number, because 1323404122055 - 2²⁸ = 1323135686599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132340412201 + ... + 132340412210.

It is an arithmetic number, because the mean of its divisors is an integer number (397021236618).

Almost surely, 2^{1323404122055} is an apocalyptic number.

1323404122055 is a deficient number, since it is larger than the sum of its proper divisors (264680824417).

1323404122055 is an equidigital number, since it uses as much as digits as its factorization.

1323404122055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264680824416.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 1323404122055 its reverse (5502214043231), we get a palindrome (6825618165286).

The spelling of 1323404122055 in words is "one trillion, three hundred twenty-three billion, four hundred four million, one hundred twenty-two thousand, fifty-five".