23320200032021 has 4 divisors (see below), whose sum is σ = 23320254097344. Its totient is φ = 23320145966700.

The previous prime is 23320200031979. The next prime is 23320200032027. The reversal of 23320200032021 is 12023000202332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23320200032021 - 2³⁰ = 23319126290197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23320200031984 and 23320200032002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23320200032027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26380415 + ... + 27250076.

It is an arithmetic number, because the mean of its divisors is an integer number (5830063524336).

Almost surely, 2^{23320200032021} is an apocalyptic number.

It is an amenable number.

23320200032021 is a deficient number, since it is larger than the sum of its proper divisors (54065323).

23320200032021 is an equidigital number, since it uses as much as digits as its factorization.

23320200032021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54065322.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 23320200032021 its reverse (12023000202332), we get a palindrome (35343200234353).

The spelling of 23320200032021 in words is "twenty-three trillion, three hundred twenty billion, two hundred million, thirty-two thousand, twenty-one".