23221200020311 has 4 divisors (see below), whose sum is σ = 23221248795432. Its totient is φ = 23221151245192.

The previous prime is 23221200020303. The next prime is 23221200020327. The reversal of 23221200020311 is 11302000212232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23221200020311 - 2³ = 23221200020303 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 (23221200020111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23666320 + ... + 24627973.

It is an arithmetic number, because the mean of its divisors is an integer number (5805312198858).

Almost surely, 2^{23221200020311} is an apocalyptic number.

23221200020311 is a deficient number, since it is larger than the sum of its proper divisors (48775121).

23221200020311 is an equidigital number, since it uses as much as digits as its factorization.

23221200020311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48775120.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 23221200020311 its reverse (11302000212232), we get a palindrome (34523200232543).

The spelling of 23221200020311 in words is "twenty-three trillion, two hundred twenty-one billion, two hundred million, twenty thousand, three hundred eleven".