23211223201 has 2 divisors, whose sum is σ = 23211223202. Its totient is φ = 23211223200.

The previous prime is 23211223187. The next prime is 23211223249. The reversal of 23211223201 is 10232211232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15819350625 + 7391872576 = 125775^2 + 85976^2 .

It is a cyclic number.

It is not a de Polignac number, because 23211223201 - 2²⁷ = 23077005473 is a prime.

It is not a weakly prime, because it can be changed into another prime (23211223001) 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, 11605611600 + 11605611601.

It is an arithmetic number, because the mean of its divisors is an integer number (11605611601).

Almost surely, 2^23211223201 is an apocalyptic number.

It is an amenable number.

23211223201 is a deficient number, since it is larger than the sum of its proper divisors (1).

23211223201 is an equidigital number, since it uses as much as digits as its factorization.

23211223201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 23211223201 its reverse (10232211232), we get a palindrome (33443434433).

The spelling of 23211223201 in words is "twenty-three billion, two hundred eleven million, two hundred twenty-three thousand, two hundred one".