23000021203013 has 4 divisors (see below), whose sum is σ = 23000041730508. Its totient is φ = 23000000675520.

The previous prime is 23000021202929. The next prime is 23000021203057. The reversal of 23000021203013 is 31030212000032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8524986778564 + 14475034424449 = 2919758^2 + 3804607^2 .

It is a cyclic number.

It is not a de Polignac number, because 23000021203013 - 2²⁶ = 22999954094149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23000021202982 and 23000021203000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23000021203813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8479706 + ... + 10858427.

It is an arithmetic number, because the mean of its divisors is an integer number (5750010432627).

Almost surely, 2^{23000021203013} is an apocalyptic number.

It is an amenable number.

23000021203013 is a deficient number, since it is larger than the sum of its proper divisors (20527495).

23000021203013 is a wasteful number, since it uses less digits than its factorization.

23000021203013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20527494.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 23000021203013 its reverse (31030212000032), we get a palindrome (54030233203045).

The spelling of 23000021203013 in words is "twenty-three trillion, twenty-one million, two hundred three thousand, thirteen".