23544520255 has 4 divisors (see below), whose sum is σ = 28253424312. Its totient is φ = 18835616200.

The previous prime is 23544520253. The next prime is 23544520267. The reversal of 23544520255 is 55202544532.

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

It is not a de Polignac number, because 23544520255 - 2¹ = 23544520253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23544520253) 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, 2354452021 + ... + 2354452030.

It is an arithmetic number, because the mean of its divisors is an integer number (7063356078).

Almost surely, 2^23544520255 is an apocalyptic number.

23544520255 is a deficient number, since it is larger than the sum of its proper divisors (4708904057).

23544520255 is an equidigital number, since it uses as much as digits as its factorization.

23544520255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4708904056.

The product of its (nonzero) digits is 240000, while the sum is 37.

The spelling of 23544520255 in words is "twenty-three billion, five hundred forty-four million, five hundred twenty thousand, two hundred fifty-five".