23223400305 has 48 divisors (see below), whose sum is σ = 43869188160. Its totient is φ = 10457935488.

The previous prime is 23223400301. The next prime is 23223400349. The reversal of 23223400305 is 50300432232.

It is not a de Polignac number, because 23223400305 - 2² = 23223400301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23223400301) 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 47 ways as a sum of consecutive naturals, for example, 186550 + ... + 285039.

It is an arithmetic number, because the mean of its divisors is an integer number (913941420).

Almost surely, 2^23223400305 is an apocalyptic number.

It is an amenable number.

23223400305 is a deficient number, since it is larger than the sum of its proper divisors (20645787855).

23223400305 is a wasteful number, since it uses less digits than its factorization.

23223400305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471678 (or 471671 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 24.

Adding to 23223400305 its reverse (50300432232), we get a palindrome (73523832537).

The spelling of 23223400305 in words is "twenty-three billion, two hundred twenty-three million, four hundred thousand, three hundred five".