23010220131109 has 2 divisors, whose sum is σ = 23010220131110. Its totient is φ = 23010220131108.

The previous prime is 23010220131049. The next prime is 23010220131181. The reversal of 23010220131109 is 90113102201032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20995154710209 + 2015065420900 = 4582047^2 + 1419530^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23010220131109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23010220135109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11505110065554 + 11505110065555.

It is an arithmetic number, because the mean of its divisors is an integer number (11505110065555).

Almost surely, 2^{23010220131109} is an apocalyptic number.

It is an amenable number.

23010220131109 is a deficient number, since it is larger than the sum of its proper divisors (1).

23010220131109 is an equidigital number, since it uses as much as digits as its factorization.

23010220131109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 23010220131109 in words is "twenty-three trillion, ten billion, two hundred twenty million, one hundred thirty-one thousand, one hundred nine".