23021033 has 12 divisors (see below), whose sum is σ = 27236880. Its totient is φ = 19395432.

The previous prime is 23021029. The next prime is 23021057. The reversal of 23021033 is 33012032.

It is not a de Polignac number, because 23021033 - 2² = 23021029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23020999 and 23021017.

It is not an unprimeable number, because it can be changed into a prime (23021083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1091 + ... + 6872.

It is an arithmetic number, because the mean of its divisors is an integer number (2269740).

Almost surely, 2^23021033 is an apocalyptic number.

It is an amenable number.

23021033 is a deficient number, since it is larger than the sum of its proper divisors (4215847).

23021033 is an equidigital number, since it uses as much as digits as its factorization.

23021033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8036 (or 8029 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 23021033 is about 4798.0238640507. The cubic root of 23021033 is about 284.4733600580.

Adding to 23021033 its reverse (33012032), we get a palindrome (56033065).

Subtracting 23021033 from its reverse (33012032), we obtain a palindrome (9990999).

The spelling of 23021033 in words is "twenty-three million, twenty-one thousand, thirty-three".