23020213361 has 2 divisors, whose sum is σ = 23020213362. Its totient is φ = 23020213360.

The previous prime is 23020213309. The next prime is 23020213423. The reversal of 23020213361 is 16331202032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11724774961 + 11295438400 = 108281^2 + 106280^2 .

It is a cyclic number.

It is not a de Polignac number, because 23020213361 - 2¹⁴ = 23020196977 is a prime.

It is not a weakly prime, because it can be changed into another prime (23020213561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11510106680 + 11510106681.

It is an arithmetic number, because the mean of its divisors is an integer number (11510106681).

Almost surely, 2^23020213361 is an apocalyptic number.

It is an amenable number.

23020213361 is a deficient number, since it is larger than the sum of its proper divisors (1).

23020213361 is an equidigital number, since it uses as much as digits as its factorization.

23020213361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 23020213361 its reverse (16331202032), we get a palindrome (39351415393).

The spelling of 23020213361 in words is "twenty-three billion, twenty million, two hundred thirteen thousand, three hundred sixty-one".