23524523 has 4 divisors (see below), whose sum is σ = 25663128. Its totient is φ = 21385920.

The previous prime is 23524519. The next prime is 23524547. The reversal of 23524523 is 32542532.

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 23524523 - 2² = 23524519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23524492 and 23524501.

It is not an unprimeable number, because it can be changed into a prime (23524513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1069286 + ... + 1069307.

It is an arithmetic number, because the mean of its divisors is an integer number (6415782).

Almost surely, 2^23524523 is an apocalyptic number.

23524523 is a deficient number, since it is larger than the sum of its proper divisors (2138605).

23524523 is a wasteful number, since it uses less digits than its factorization.

23524523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138604.

The product of its digits is 7200, while the sum is 26.

The square root of 23524523 is about 4850.2085522171. The cubic root of 23524523 is about 286.5323150556.

Subtracting 23524523 from its reverse (32542532), we obtain a square (9018009 = 3003²).

The spelling of 23524523 in words is "twenty-three million, five hundred twenty-four thousand, five hundred twenty-three".