23111534269 has 2 divisors, whose sum is σ = 23111534270. Its totient is φ = 23111534268.

The previous prime is 23111534261. The next prime is 23111534321. The reversal of 23111534269 is 96243511132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20746657369 + 2364876900 = 144037^2 + 48630^2 .

It is a cyclic number.

It is not a de Polignac number, because 23111534269 - 2³ = 23111534261 is a prime.

It is a super-2 number, since 2×23111534269² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23111534261) 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, 11555767134 + 11555767135.

It is an arithmetic number, because the mean of its divisors is an integer number (11555767135).

Almost surely, 2^23111534269 is an apocalyptic number.

It is an amenable number.

23111534269 is a deficient number, since it is larger than the sum of its proper divisors (1).

23111534269 is an equidigital number, since it uses as much as digits as its factorization.

23111534269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 37.

The spelling of 23111534269 in words is "twenty-three billion, one hundred eleven million, five hundred thirty-four thousand, two hundred sixty-nine".