23041103521 has 8 divisors (see below), whose sum is σ = 24279919200. Its totient is φ = 21804900480.

The previous prime is 23041103513. The next prime is 23041103537. The reversal of 23041103521 is 12530114032.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23041103521 - 2³ = 23041103513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23041103492 and 23041103501.

It is not an unprimeable number, because it can be changed into a prime (23041113521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635035 + ... + 670336.

It is an arithmetic number, because the mean of its divisors is an integer number (3034989900).

Almost surely, 2^23041103521 is an apocalyptic number.

It is an amenable number.

23041103521 is a deficient number, since it is larger than the sum of its proper divisors (1238815679).

23041103521 is a wasteful number, since it uses less digits than its factorization.

23041103521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306319.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 23041103521 its reverse (12530114032), we get a palindrome (35571217553).

The spelling of 23041103521 in words is "twenty-three billion, forty-one million, one hundred three thousand, five hundred twenty-one".