23211222071 has 2 divisors, whose sum is σ = 23211222072. Its totient is φ = 23211222070.

The previous prime is 23211222061. The next prime is 23211222137. The reversal of 23211222071 is 17022211232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23211222071 - 2¹⁸ = 23210959927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23211222061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11605611035 + 11605611036.

It is an arithmetic number, because the mean of its divisors is an integer number (11605611036).

Almost surely, 2^23211222071 is an apocalyptic number.

23211222071 is a deficient number, since it is larger than the sum of its proper divisors (1).

23211222071 is an equidigital number, since it uses as much as digits as its factorization.

23211222071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The spelling of 23211222071 in words is "twenty-three billion, two hundred eleven million, two hundred twenty-two thousand, seventy-one".