1323023242021 has 16 divisors (see below), whose sum is σ = 1428210786240. Its totient is φ = 1218324556800.

The previous prime is 1323023241997. The next prime is 1323023242133. The reversal of 1323023242021 is 1202423203231.

It is not a de Polignac number, because 1323023242021 - 2³⁹ = 773267428133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323023243021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61328325 + ... + 61349893.

It is an arithmetic number, because the mean of its divisors is an integer number (89263174140).

Almost surely, 2^{1323023242021} is an apocalyptic number.

It is an amenable number.

1323023242021 is a deficient number, since it is larger than the sum of its proper divisors (105187544219).

1323023242021 is a wasteful number, since it uses less digits than its factorization.

1323023242021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32676.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1323023242021 its reverse (1202423203231), we get a palindrome (2525446445252).

The spelling of 1323023242021 in words is "one trillion, three hundred twenty-three billion, twenty-three million, two hundred forty-two thousand, twenty-one".