23113323109 has 2 divisors, whose sum is σ = 23113323110. Its totient is φ = 23113323108.

The previous prime is 23113323071. The next prime is 23113323119. The reversal of 23113323109 is 90132331132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20813832900 + 2299490209 = 144270^2 + 47953^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23113323109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23113323119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11556661554 + 11556661555.

It is an arithmetic number, because the mean of its divisors is an integer number (11556661555).

Almost surely, 2^23113323109 is an apocalyptic number.

It is an amenable number.

23113323109 is a deficient number, since it is larger than the sum of its proper divisors (1).

23113323109 is an equidigital number, since it uses as much as digits as its factorization.

23113323109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 28.

The spelling of 23113323109 in words is "twenty-three billion, one hundred thirteen million, three hundred twenty-three thousand, one hundred nine".