23221200020237 has 2 divisors, whose sum is σ = 23221200020238. Its totient is φ = 23221200020236.

The previous prime is 23221200020173. The next prime is 23221200020251. The reversal of 23221200020237 is 73202000212232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12056874234601 + 11164325785636 = 3472301^2 + 3341306^2 .

It is a cyclic number.

It is not a de Polignac number, because 23221200020237 - 2⁶ = 23221200020173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23221200020297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11610600010118 + 11610600010119.

It is an arithmetic number, because the mean of its divisors is an integer number (11610600010119).

Almost surely, 2^{23221200020237} is an apocalyptic number.

It is an amenable number.

23221200020237 is a deficient number, since it is larger than the sum of its proper divisors (1).

23221200020237 is an equidigital number, since it uses as much as digits as its factorization.

23221200020237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 26.

Adding to 23221200020237 its reverse (73202000212232), we get a palindrome (96423200232469).

The spelling of 23221200020237 in words is "twenty-three trillion, two hundred twenty-one billion, two hundred million, twenty thousand, two hundred thirty-seven".