23002021003 has 32 divisors (see below), whose sum is σ = 26959274496. Its totient is φ = 19431111168.

The previous prime is 23002021001. The next prime is 23002021043. The reversal of 23002021003 is 30012020032.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23002021003 - 2¹ = 23002021001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (23002021001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2151850 + ... + 2162512.

It is an arithmetic number, because the mean of its divisors is an integer number (842477328).

Almost surely, 2^23002021003 is an apocalyptic number.

23002021003 is a deficient number, since it is larger than the sum of its proper divisors (3957253493).

23002021003 is a wasteful number, since it uses less digits than its factorization.

23002021003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10963.

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

Adding to 23002021003 its reverse (30012020032), we get a palindrome (53014041035).

The spelling of 23002021003 in words is "twenty-three billion, two million, twenty-one thousand, three".