23520530641 has 16 divisors (see below), whose sum is σ = 25253959680. Its totient is φ = 21854747200.

The previous prime is 23520530633. The next prime is 23520530647. The reversal of 23520530641 is 14603502532.

It is a happy number.

It is not a de Polignac number, because 23520530641 - 2³ = 23520530633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23520530647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27600 + ... + 218638.

It is an arithmetic number, because the mean of its divisors is an integer number (1578372480).

Almost surely, 2^23520530641 is an apocalyptic number.

It is an amenable number.

23520530641 is a deficient number, since it is larger than the sum of its proper divisors (1733429039).

23520530641 is a wasteful number, since it uses less digits than its factorization.

23520530641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191216.

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 23520530641 in words is "twenty-three billion, five hundred twenty million, five hundred thirty thousand, six hundred forty-one".