23008523 has 4 divisors (see below), whose sum is σ = 23074800. Its totient is φ = 22942248.

The previous prime is 23008409. The next prime is 23008549. The reversal of 23008523 is 32580032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23008523 - 2¹⁶ = 22942987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23008553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32615 + ... + 33312.

It is an arithmetic number, because the mean of its divisors is an integer number (5768700).

Almost surely, 2^23008523 is an apocalyptic number.

23008523 is a deficient number, since it is larger than the sum of its proper divisors (66277).

23008523 is an equidigital number, since it uses as much as digits as its factorization.

23008523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66276.

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

The square root of 23008523 is about 4796.7200251839. The cubic root of 23008523 is about 284.4218215865.

Adding to 23008523 its reverse (32580032), we get a palindrome (55588555).

The spelling of 23008523 in words is "twenty-three million, eight thousand, five hundred twenty-three".