23255504641 has 4 divisors (see below), whose sum is σ = 23636742484. Its totient is φ = 22874266800.

The previous prime is 23255504611. The next prime is 23255504707. The reversal of 23255504641 is 14640555232.

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 243828225 + 23011676416 = 15615^2 + 151696^2 .

It is a cyclic number.

It is not a de Polignac number, because 23255504641 - 2⁵ = 23255504609 is a prime.

It is a super-2 number, since 2×23255504641² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23255504641.

It is not an unprimeable number, because it can be changed into a prime (23255504611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190618830 + ... + 190618951.

It is an arithmetic number, because the mean of its divisors is an integer number (5909185621).

Almost surely, 2^23255504641 is an apocalyptic number.

It is an amenable number.

23255504641 is a deficient number, since it is larger than the sum of its proper divisors (381237843).

23255504641 is an equidigital number, since it uses as much as digits as its factorization.

23255504641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381237842.

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 23255504641 in words is "twenty-three billion, two hundred fifty-five million, five hundred four thousand, six hundred forty-one".