2235923309 has 2 divisors, whose sum is σ = 2235923310. Its totient is φ = 2235923308.

The previous prime is 2235923297. The next prime is 2235923377. The reversal of 2235923309 is 9033295322.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2235209284 + 714025 = 47278^2 + 845^2 .

It is a cyclic number.

It is not a de Polignac number, because 2235923309 - 2¹⁶ = 2235857773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2235923609) 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, 1117961654 + 1117961655.

It is an arithmetic number, because the mean of its divisors is an integer number (1117961655).

Almost surely, 2^2235923309 is an apocalyptic number.

It is an amenable number.

2235923309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2235923309 is an equidigital number, since it uses as much as digits as its factorization.

2235923309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 38.

The square root of 2235923309 is about 47285.5507422722. The cubic root of 2235923309 is about 1307.6322845197.

The spelling of 2235923309 in words is "two billion, two hundred thirty-five million, nine hundred twenty-three thousand, three hundred nine".