100233109 has 2 divisors, whose sum is σ = 100233110. Its totient is φ = 100233108.

The previous prime is 100233083. The next prime is 100233127. The reversal of 100233109 is 901332001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89832484 + 10400625 = 9478^2 + 3225^2 .

It is an emirp because it is prime and its reverse (901332001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100233109 is a prime.

It is a super-2 number, since 2×100233109² = 20093352279611762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100233709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50116554 + 50116555.

It is an arithmetic number, because the mean of its divisors is an integer number (50116555).

Almost surely, 2^100233109 is an apocalyptic number.

It is an amenable number.

100233109 is a deficient number, since it is larger than the sum of its proper divisors (1).

100233109 is an equidigital number, since it uses as much as digits as its factorization.

100233109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 100233109 is about 10011.6486654297. The cubic root of 100233109 is about 464.5192688530.

The spelling of 100233109 in words is "one hundred million, two hundred thirty-three thousand, one hundred nine".