233020322309 has 4 divisors (see below), whose sum is σ = 238439399616. Its totient is φ = 227601245004.

The previous prime is 233020322279. The next prime is 233020322323. The reversal of 233020322309 is 903223020332.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 233020322309 - 2¹⁶ = 233020256773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233020322009) 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 in 3 ways as a sum of consecutive naturals, for example, 2709538589 + ... + 2709538674.

It is an arithmetic number, because the mean of its divisors is an integer number (59609849904).

Almost surely, 2^233020322309 is an apocalyptic number.

It is an amenable number.

233020322309 is a deficient number, since it is larger than the sum of its proper divisors (5419077307).

233020322309 is an equidigital number, since it uses as much as digits as its factorization.

233020322309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5419077306.

The product of its (nonzero) digits is 11664, while the sum is 29.

The spelling of 233020322309 in words is "two hundred thirty-three billion, twenty million, three hundred twenty-two thousand, three hundred nine".