23213232332989 has 2 divisors, whose sum is σ = 23213232332990. Its totient is φ = 23213232332988.

The previous prime is 23213232332903. The next prime is 23213232333029. The reversal of 23213232332989 is 98923323231232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16201550763225 + 7011681569764 = 4025115^2 + 2647958^2 .

It is a cyclic number.

It is not a de Polignac number, because 23213232332989 - 2³³ = 23204642398397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23213232372989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11606616166494 + 11606616166495.

It is an arithmetic number, because the mean of its divisors is an integer number (11606616166495).

Almost surely, 2^{23213232332989} is an apocalyptic number.

It is an amenable number.

23213232332989 is a deficient number, since it is larger than the sum of its proper divisors (1).

23213232332989 is an equidigital number, since it uses as much as digits as its factorization.

23213232332989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5038848, while the sum is 52.

The spelling of 23213232332989 in words is "twenty-three trillion, two hundred thirteen billion, two hundred thirty-two million, three hundred thirty-two thousand, nine hundred eighty-nine".