23220311201 has 2 divisors, whose sum is σ = 23220311202. Its totient is φ = 23220311200.

The previous prime is 23220311189. The next prime is 23220311267. The reversal of 23220311201 is 10211302232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21390525025 + 1829786176 = 146255^2 + 42776^2 .

It is a cyclic number.

It is not a de Polignac number, because 23220311201 - 2¹⁴ = 23220294817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23220311201.

It is not a weakly prime, because it can be changed into another prime (23220311701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11610155600 + 11610155601.

It is an arithmetic number, because the mean of its divisors is an integer number (11610155601).

Almost surely, 2^23220311201 is an apocalyptic number.

It is an amenable number.

23220311201 is a deficient number, since it is larger than the sum of its proper divisors (1).

23220311201 is an equidigital number, since it uses as much as digits as its factorization.

23220311201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 23220311201 its reverse (10211302232), we get a palindrome (33431613433).

It can be divided in two parts, 2322031 and 1201, that added together give a palindrome (2323232).

The spelling of 23220311201 in words is "twenty-three billion, two hundred twenty million, three hundred eleven thousand, two hundred one".