23255040233 has 4 divisors (see below), whose sum is σ = 23255348100. Its totient is φ = 23254732368.

The previous prime is 23255040191. The next prime is 23255040241. The reversal of 23255040233 is 33204055232.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 13035245584 + 10219794649 = 114172^2 + 101093^2 .

It is a cyclic number.

It is not a de Polignac number, because 23255040233 - 2¹⁶ = 23254974697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23255040196 and 23255040205.

It is not an unprimeable number, because it can be changed into a prime (23255040283) 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, 45491 + ... + 220407.

It is an arithmetic number, because the mean of its divisors is an integer number (5813837025).

Almost surely, 2^23255040233 is an apocalyptic number.

It is an amenable number.

23255040233 is a deficient number, since it is larger than the sum of its proper divisors (307867).

23255040233 is a wasteful number, since it uses less digits than its factorization.

23255040233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307866.

The product of its (nonzero) digits is 21600, while the sum is 29.

Adding to 23255040233 its reverse (33204055232), we get a palindrome (56459095465).

The spelling of 23255040233 in words is "twenty-three billion, two hundred fifty-five million, forty thousand, two hundred thirty-three".