23230052521 has 16 divisors (see below), whose sum is σ = 25161131520. Its totient is φ = 21319899840.

The previous prime is 23230052501. The next prime is 23230052563. The reversal of 23230052521 is 12525003232.

It is a cyclic number.

It is not a de Polignac number, because 23230052521 - 2⁹ = 23230052009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23230052501) 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, 1765515 + ... + 1778623.

It is an arithmetic number, because the mean of its divisors is an integer number (1572570720).

Almost surely, 2^23230052521 is an apocalyptic number.

It is an amenable number.

23230052521 is a deficient number, since it is larger than the sum of its proper divisors (1931078999).

23230052521 is a wasteful number, since it uses less digits than its factorization.

23230052521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13896.

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 23230052521 its reverse (12525003232), we get a palindrome (35755055753).

The spelling of 23230052521 in words is "twenty-three billion, two hundred thirty million, fifty-two thousand, five hundred twenty-one".