23211031007 has 2 divisors, whose sum is σ = 23211031008. Its totient is φ = 23211031006.

The previous prime is 23211030967. The next prime is 23211031013. The reversal of 23211031007 is 70013011232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23211031007 - 2⁶ = 23211030943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23211031007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23211031057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11605515503 + 11605515504.

It is an arithmetic number, because the mean of its divisors is an integer number (11605515504).

Almost surely, 2^23211031007 is an apocalyptic number.

23211031007 is a deficient number, since it is larger than the sum of its proper divisors (1).

23211031007 is an equidigital number, since it uses as much as digits as its factorization.

23211031007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 20.

Adding to 23211031007 its reverse (70013011232), we get a palindrome (93224042239).

The spelling of 23211031007 in words is "twenty-three billion, two hundred eleven million, thirty-one thousand, seven".