23505554541 has 16 divisors (see below), whose sum is σ = 36134964864. Its totient is φ = 13312879104.

The previous prime is 23505554539. The next prime is 23505554561. The reversal of 23505554541 is 14545550532.

It is not a de Polignac number, because 23505554541 - 2¹ = 23505554539 is a prime.

It is a super-2 number, since 2×23505554541² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23505554541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23505554521) 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 15 ways as a sum of consecutive naturals, for example, 4950336 + ... + 4955081.

It is an arithmetic number, because the mean of its divisors is an integer number (2258435304).

Almost surely, 2^23505554541 is an apocalyptic number.

23505554541 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23505554541 is a deficient number, since it is larger than the sum of its proper divisors (12629410323).

23505554541 is a wasteful number, since it uses less digits than its factorization.

23505554541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9905540.

The product of its (nonzero) digits is 300000, while the sum is 39.

The spelling of 23505554541 in words is "twenty-three billion, five hundred five million, five hundred fifty-four thousand, five hundred forty-one".