23211332609 has 2 divisors, whose sum is σ = 23211332610. Its totient is φ = 23211332608.

The previous prime is 23211332593. The next prime is 23211332621. The reversal of 23211332609 is 90623311232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22885638400 + 325694209 = 151280^2 + 18047^2 .

It is a cyclic number.

It is not a de Polignac number, because 23211332609 - 2⁴ = 23211332593 is a prime.

It is a super-2 number, since 2×23211332609² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23211332509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11605666304 + 11605666305.

It is an arithmetic number, because the mean of its divisors is an integer number (11605666305).

Almost surely, 2^23211332609 is an apocalyptic number.

It is an amenable number.

23211332609 is a deficient number, since it is larger than the sum of its proper divisors (1).

23211332609 is an equidigital number, since it uses as much as digits as its factorization.

23211332609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 32.

The spelling of 23211332609 in words is "twenty-three billion, two hundred eleven million, three hundred thirty-two thousand, six hundred nine".