23143321969 has 2 divisors, whose sum is σ = 23143321970. Its totient is φ = 23143321968.

The previous prime is 23143321939. The next prime is 23143322017. The reversal of 23143321969 is 96912334132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13377929569 + 9765392400 = 115663^2 + 98820^2 .

It is a cyclic number.

It is not a de Polignac number, because 23143321969 - 2¹⁷ = 23143190897 is a prime.

It is a super-2 number, since 2×23143321969² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23143321939) 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, 11571660984 + 11571660985.

It is an arithmetic number, because the mean of its divisors is an integer number (11571660985).

Almost surely, 2^23143321969 is an apocalyptic number.

It is an amenable number.

23143321969 is a deficient number, since it is larger than the sum of its proper divisors (1).

23143321969 is an equidigital number, since it uses as much as digits as its factorization.

23143321969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209952, while the sum is 43.

The spelling of 23143321969 in words is "twenty-three billion, one hundred forty-three million, three hundred twenty-one thousand, nine hundred sixty-nine".