23003020 has 12 divisors (see below), whose sum is σ = 48306384. Its totient is φ = 9201200.

The previous prime is 23002999. The next prime is 23003021. The reversal of 23003020 is 2030032.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 23002988 and 23003006.

It is not an unprimeable number, because it can be changed into a prime (23003021) 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 3 ways as a sum of consecutive naturals, for example, 575056 + ... + 575095.

It is an arithmetic number, because the mean of its divisors is an integer number (4025532).

Almost surely, 2^23003020 is an apocalyptic number.

23003020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23003020 is an abundant number, since it is smaller than the sum of its proper divisors (25303364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23003020 is a wasteful number, since it uses less digits than its factorization.

23003020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150160 (or 1150158 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 10.

The square root of 23003020 is about 4796.1463697431. The cubic root of 23003020 is about 284.3991445104.

Adding to 23003020 its reverse (2030032), we get a palindrome (25033052).

The spelling of 23003020 in words is "twenty-three million, three thousand, twenty".