23460521 has 16 divisors (see below), whose sum is σ = 28075008. Its totient is φ = 19180800.

The previous prime is 23460511. The next prime is 23460587. The reversal of 23460521 is 12506432.

It is a cyclic number.

It is not a de Polignac number, because 23460521 - 2¹⁰ = 23459497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23460511) 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, 15101 + ... + 16581.

It is an arithmetic number, because the mean of its divisors is an integer number (1754688).

Almost surely, 2^23460521 is an apocalyptic number.

It is an amenable number.

23460521 is a deficient number, since it is larger than the sum of its proper divisors (4614487).

23460521 is a wasteful number, since it uses less digits than its factorization.

23460521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 23460521 is about 4843.6061978654. The cubic root of 23460521 is about 286.2722276365.

Adding to 23460521 its reverse (12506432), we get a palindrome (35966953).

The spelling of 23460521 in words is "twenty-three million, four hundred sixty thousand, five hundred twenty-one".