23020523 has 4 divisors (see below), whose sum is σ = 23555928. Its totient is φ = 22485120.

The previous prime is 23020511. The next prime is 23020573. The reversal of 23020523 is 32502032.

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 23020523 - 2²⁰ = 21971947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23020573) 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, 267638 + ... + 267723.

It is an arithmetic number, because the mean of its divisors is an integer number (5888982).

Almost surely, 2^23020523 is an apocalyptic number.

23020523 is a deficient number, since it is larger than the sum of its proper divisors (535405).

23020523 is an equidigital number, since it uses as much as digits as its factorization.

23020523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535404.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 23020523 is about 4797.9707168760. The cubic root of 23020523 is about 284.4712593343.

Adding to 23020523 its reverse (32502032), we get a palindrome (55522555).

The spelling of 23020523 in words is "twenty-three million, twenty thousand, five hundred twenty-three".