23314521 has 16 divisors (see below), whose sum is σ = 32607360. Its totient is φ = 14797440.

The previous prime is 23314519. The next prime is 23314549. The reversal of 23314521 is 12541332.

It is not a de Polignac number, because 23314521 - 2¹ = 23314519 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23314561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4516 + ... + 8186.

It is an arithmetic number, because the mean of its divisors is an integer number (2037960).

Almost surely, 2^23314521 is an apocalyptic number.

It is an amenable number.

23314521 is a deficient number, since it is larger than the sum of its proper divisors (9292839).

23314521 is a wasteful number, since it uses less digits than its factorization.

23314521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3776.

The product of its digits is 720, while the sum is 21.

The square root of 23314521 is about 4828.5112612481. The cubic root of 23314521 is about 285.6771463987.

Adding to 23314521 its reverse (12541332), we get a palindrome (35855853).

The spelling of 23314521 in words is "twenty-three million, three hundred fourteen thousand, five hundred twenty-one".