23020503 has 8 divisors (see below), whose sum is σ = 33484416. Its totient is φ = 13951800.

The previous prime is 23020489. The next prime is 23020511. The reversal of 23020503 is 30502032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23020503 - 2⁵ = 23020471 is a prime.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 348763 + ... + 348828.

It is an arithmetic number, because the mean of its divisors is an integer number (4185552).

Almost surely, 2^23020503 is an apocalyptic number.

23020503 is a deficient number, since it is larger than the sum of its proper divisors (10463913).

23020503 is a wasteful number, since it uses less digits than its factorization.

23020503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697605.

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 23020503 is about 4797.9686326611. The cubic root of 23020503 is about 284.4711769524.

Adding to 23020503 its reverse (30502032), we get a palindrome (53522535).

The spelling of 23020503 in words is "twenty-three million, twenty thousand, five hundred three".