23205145033 has 8 divisors (see below), whose sum is σ = 26594040960. Its totient is φ = 19834717920.

The previous prime is 23205145009. The next prime is 23205145043. The reversal of 23205145033 is 33054150232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23205145033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23205144992 and 23205145010.

It is not an unprimeable number, because it can be changed into a prime (23205145043) 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 7 ways as a sum of consecutive naturals, for example, 4614508 + ... + 4619533.

It is an arithmetic number, because the mean of its divisors is an integer number (3324255120).

Almost surely, 2^23205145033 is an apocalyptic number.

It is an amenable number.

23205145033 is a deficient number, since it is larger than the sum of its proper divisors (3388895927).

23205145033 is an equidigital number, since it uses as much as digits as its factorization.

23205145033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9234407.

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 23205145033 its reverse (33054150232), we get a palindrome (56259295265).

The spelling of 23205145033 in words is "twenty-three billion, two hundred five million, one hundred forty-five thousand, thirty-three".