23021023 has 8 divisors (see below), whose sum is σ = 23696640. Its totient is φ = 22353240.

The previous prime is 23020997. The next prime is 23021029. The reversal of 23021023 is 32012032.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23021023 - 2⁹ = 23020511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23020994 and 23021012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23021029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4288 + ... + 8026.

It is an arithmetic number, because the mean of its divisors is an integer number (2962080).

Almost surely, 2^23021023 is an apocalyptic number.

23021023 is a deficient number, since it is larger than the sum of its proper divisors (675617).

23021023 is a wasteful number, since it uses less digits than its factorization.

23021023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3917.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 23021023 is about 4798.0228219549. The cubic root of 23021023 is about 284.4733188676.

Adding to 23021023 its reverse (32012032), we get a palindrome (55033055).

The spelling of 23021023 in words is "twenty-three million, twenty-one thousand, twenty-three".