1323415623321 has 36 divisors (see below), whose sum is σ = 2211769028560. Its totient is φ = 759855848400.

The previous prime is 1323415623269. The next prime is 1323415623323. The reversal of 1323415623321 is 1233265143231.

1323415623321 is a `hidden beast` number, since 1 + 3 + 2 + 3 + 4 + 1 + 5 + 623 + 3 + 21 = 666.

It is not a de Polignac number, because 1323415623321 - 2⁷ = 1323415623193 is a prime.

It is a super-2 number, since 2×1323415623321² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1323415623323) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 31959775 + ... + 32001156.

Almost surely, 2^{1323415623321} is an apocalyptic number.

1323415623321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1323415623321 is a deficient number, since it is larger than the sum of its proper divisors (888353405239).

1323415623321 is a wasteful number, since it uses less digits than its factorization.

1323415623321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63960978 (or 63960964 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The spelling of 1323415623321 in words is "one trillion, three hundred twenty-three billion, four hundred fifteen million, six hundred twenty-three thousand, three hundred twenty-one".