23301020021 has 32 divisors (see below), whose sum is σ = 25536072960. Its totient is φ = 21193790464.

The previous prime is 23301019967. The next prime is 23301020027. The reversal of 23301020021 is 12002010332.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23301020021 - 2¹⁰ = 23301018997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23301019978 and 23301020005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23301020027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13038290 + ... + 13040076.

It is an arithmetic number, because the mean of its divisors is an integer number (798002280).

Almost surely, 2^23301020021 is an apocalyptic number.

It is an amenable number.

23301020021 is a deficient number, since it is larger than the sum of its proper divisors (2235052939).

23301020021 is a wasteful number, since it uses less digits than its factorization.

23301020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2125.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 23301020021 its reverse (12002010332), we get a palindrome (35303030353).

The spelling of 23301020021 in words is "twenty-three billion, three hundred one million, twenty thousand, twenty-one".