23213132993 has 2 divisors, whose sum is σ = 23213132994. Its totient is φ = 23213132992.

The previous prime is 23213132981. The next prime is 23213133037. The reversal of 23213132993 is 39923131232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17607166864 + 5605966129 = 132692^2 + 74873^2 .

It is a cyclic number.

It is not a de Polignac number, because 23213132993 - 2²⁰ = 23212084417 is a prime.

It is not a weakly prime, because it can be changed into another prime (23213132963) 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, 11606566496 + 11606566497.

It is an arithmetic number, because the mean of its divisors is an integer number (11606566497).

Almost surely, 2^23213132993 is an apocalyptic number.

It is an amenable number.

23213132993 is a deficient number, since it is larger than the sum of its proper divisors (1).

23213132993 is an equidigital number, since it uses as much as digits as its factorization.

23213132993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52488, while the sum is 38.

The spelling of 23213132993 in words is "twenty-three billion, two hundred thirteen million, one hundred thirty-two thousand, nine hundred ninety-three".