1230323320221 has 32 divisors (see below), whose sum is σ = 1835091302400. Its totient is φ = 728638882560.

The previous prime is 1230323320201. The next prime is 1230323320231. The reversal of 1230323320221 is 1220233230321.

It is not a de Polignac number, because 1230323320221 - 2³³ = 1221733385629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1230323320191 and 1230323320200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230323320201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2079991 + ... + 2605188.

It is an arithmetic number, because the mean of its divisors is an integer number (57346603200).

Almost surely, 2^{1230323320221} is an apocalyptic number.

It is an amenable number.

1230323320221 is a deficient number, since it is larger than the sum of its proper divisors (604767982179).

1230323320221 is a wasteful number, since it uses less digits than its factorization.

1230323320221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4685489.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 1230323320221 its reverse (1220233230321), we get a palindrome (2450556550542).

The spelling of 1230323320221 in words is "one trillion, two hundred thirty billion, three hundred twenty-three million, three hundred twenty thousand, two hundred twenty-one".