23211032993 has 2 divisors, whose sum is σ = 23211032994. Its totient is φ = 23211032992.

The previous prime is 23211032989. The next prime is 23211033019. The reversal of 23211032993 is 39923011232.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13164579169 + 10046453824 = 114737^2 + 100232^2 .

It is a cyclic number.

It is not a de Polignac number, because 23211032993 - 2² = 23211032989 is a prime.

It is not a weakly prime, because it can be changed into another prime (23211038993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11605516496 + 11605516497.

It is an arithmetic number, because the mean of its divisors is an integer number (11605516497).

Almost surely, 2^23211032993 is an apocalyptic number.

It is an amenable number.

23211032993 is a deficient number, since it is larger than the sum of its proper divisors (1).

23211032993 is an equidigital number, since it uses as much as digits as its factorization.

23211032993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 35.

The spelling of 23211032993 in words is "twenty-three billion, two hundred eleven million, thirty-two thousand, nine hundred ninety-three".