23053521 has 32 divisors (see below), whose sum is σ = 34110720. Its totient is φ = 13798400.

The previous prime is 23053519. The next prime is 23053523. The reversal of 23053521 is 12535032.

It is an interprime number because it is at equal distance from previous prime (23053519) and next prime (23053523).

It is a cyclic number.

It is not a de Polignac number, because 23053521 - 2¹ = 23053519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23053523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81901 + ... + 82181.

It is an arithmetic number, because the mean of its divisors is an integer number (1065960).

Almost surely, 2^23053521 is an apocalyptic number.

It is an amenable number.

23053521 is a deficient number, since it is larger than the sum of its proper divisors (11057199).

23053521 is a wasteful number, since it uses less digits than its factorization.

23053521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 23053521 is about 4801.4082309256. The cubic root of 23053521 is about 284.6071163843.

Adding to 23053521 its reverse (12535032), we get a palindrome (35588553).

The spelling of 23053521 in words is "twenty-three million, fifty-three thousand, five hundred twenty-one".