1323300300021 has 72 divisors (see below), whose sum is σ = 2277909653760. Its totient is φ = 753001456032.

The previous prime is 1323300300013. The next prime is 1323300300029. The reversal of 1323300300021 is 1200030033231.

1323300300021 is a `hidden beast` number, since 1 + 32 + 330 + 0 + 300 + 0 + 2 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (1323300300013) and next prime (1323300300029).

It is not a de Polignac number, because 1323300300021 - 2³ = 1323300300013 is a prime.

It is a super-2 number, since 2×1323300300021² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1323300299967 and 1323300300003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323300300029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 10916275 + ... + 11036831.

It is an arithmetic number, because the mean of its divisors is an integer number (31637634080).

Almost surely, 2^{1323300300021} is an apocalyptic number.

It is an amenable number.

1323300300021 is a deficient number, since it is larger than the sum of its proper divisors (954609353739).

1323300300021 is an frugal number, since it uses more digits than its factorization.

1323300300021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120827 (or 120806 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 1323300300021 its reverse (1200030033231), we get a palindrome (2523330333252).

The spelling of 1323300300021 in words is "one trillion, three hundred twenty-three billion, three hundred million, three hundred thousand, twenty-one".