23301233209 has 4 divisors (see below), whose sum is σ = 24671894004. Its totient is φ = 21930572416.

The previous prime is 23301233161. The next prime is 23301233227. The reversal of 23301233209 is 90233210332.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16992426025 + 6308807184 = 130355^2 + 79428^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23301233209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23301233239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685330372 + ... + 685330405.

It is an arithmetic number, because the mean of its divisors is an integer number (6167973501).

Almost surely, 2^23301233209 is an apocalyptic number.

It is an amenable number.

23301233209 is a deficient number, since it is larger than the sum of its proper divisors (1370660795).

23301233209 is a wasteful number, since it uses less digits than its factorization.

23301233209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370660794.

The product of its (nonzero) digits is 5832, while the sum is 28.

It can be divided in two parts, 2330123 and 3209, that added together give a palindrome (2333332).

The spelling of 23301233209 in words is "twenty-three billion, three hundred one million, two hundred thirty-three thousand, two hundred nine".