23212231333409 has 2 divisors, whose sum is σ = 23212231333410. Its totient is φ = 23212231333408.

The previous prime is 23212231333327. The next prime is 23212231333439. The reversal of 23212231333409 is 90433313221232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23189088405025 + 23142928384 = 4815505^2 + 152128^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23212231333409 is a prime.

It is a super-2 number, since 2×23212231333409² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23212231333439) 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, 11606115666704 + 11606115666705.

It is an arithmetic number, because the mean of its divisors is an integer number (11606115666705).

Almost surely, 2^{23212231333409} is an apocalyptic number.

It is an amenable number.

23212231333409 is a deficient number, since it is larger than the sum of its proper divisors (1).

23212231333409 is an equidigital number, since it uses as much as digits as its factorization.

23212231333409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 38.

The spelling of 23212231333409 in words is "twenty-three trillion, two hundred twelve billion, two hundred thirty-one million, three hundred thirty-three thousand, four hundred nine".