23021020213 has 8 divisors (see below), whose sum is σ = 23158158336. Its totient is φ = 22883929200.

The previous prime is 23021020189. The next prime is 23021020219. The reversal of 23021020213 is 31202012032.

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 23021020213 - 2⁹ = 23021019701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23021020219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1687048 + ... + 1700638.

It is an arithmetic number, because the mean of its divisors is an integer number (2894769792).

Almost surely, 2^23021020213 is an apocalyptic number.

It is an amenable number.

23021020213 is a deficient number, since it is larger than the sum of its proper divisors (137138123).

23021020213 is a wasteful number, since it uses less digits than its factorization.

23021020213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23555.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 23021020213 its reverse (31202012032), we get a palindrome (54223032245).

The spelling of 23021020213 in words is "twenty-three billion, twenty-one million, twenty thousand, two hundred thirteen".