23032222261 has 2 divisors, whose sum is σ = 23032222262. Its totient is φ = 23032222260.

The previous prime is 23032222249. The next prime is 23032222337. The reversal of 23032222261 is 16222223032.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11705941636 + 11326280625 = 108194^2 + 106425^2 .

It is a cyclic number.

It is not a de Polignac number, because 23032222261 - 2¹¹ = 23032220213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23032225261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11516111130 + 11516111131.

It is an arithmetic number, because the mean of its divisors is an integer number (11516111131).

Almost surely, 2^23032222261 is an apocalyptic number.

It is an amenable number.

23032222261 is a deficient number, since it is larger than the sum of its proper divisors (1).

23032222261 is an equidigital number, since it uses as much as digits as its factorization.

23032222261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 23032222261 its reverse (16222223032), we get a palindrome (39254445293).

The spelling of 23032222261 in words is "twenty-three billion, thirty-two million, two hundred twenty-two thousand, two hundred sixty-one".