100023203309 has 2 divisors, whose sum is σ = 100023203310. Its totient is φ = 100023203308.

The previous prime is 100023203219. The next prime is 100023203317. The reversal of 100023203309 is 903302320001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71615112100 + 28408091209 = 267610^2 + 168547^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100023203309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100023203339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50011601654 + 50011601655.

It is an arithmetic number, because the mean of its divisors is an integer number (50011601655).

Almost surely, 2^100023203309 is an apocalyptic number.

It is an amenable number.

100023203309 is a deficient number, since it is larger than the sum of its proper divisors (1).

100023203309 is an equidigital number, since it uses as much as digits as its factorization.

100023203309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 23.

The spelling of 100023203309 in words is "one hundred billion, twenty-three million, two hundred three thousand, three hundred nine".