1323405415445 has 8 divisors (see below), whose sum is σ = 1614120703800. Its totient is φ = 1041368195520.

The previous prime is 1323405415433. The next prime is 1323405415459. The reversal of 1323405415445 is 5445145043231.

It can be written as a sum of positive squares in 4 ways, for example, as 155583702481 + 1167821712964 = 394441^2 + 1080658^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1323405415445 - 2¹⁴ = 1323405399061 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2169516770 + ... + 2169517379.

It is an arithmetic number, because the mean of its divisors is an integer number (201765087975).

Almost surely, 2^{1323405415445} is an apocalyptic number.

It is an amenable number.

1323405415445 is a deficient number, since it is larger than the sum of its proper divisors (290715288355).

1323405415445 is an equidigital number, since it uses as much as digits as its factorization.

1323405415445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4339034215.

The product of its (nonzero) digits is 576000, while the sum is 41.

The spelling of 1323405415445 in words is "one trillion, three hundred twenty-three billion, four hundred five million, four hundred fifteen thousand, four hundred forty-five".