23002230021 has 8 divisors (see below), whose sum is σ = 30751865760. Its totient is φ = 15293707152.

The previous prime is 23002230019. The next prime is 23002230037. The reversal of 23002230021 is 12003220032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23002230021 - 2¹ = 23002230019 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23002230061) 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, 10276911 + ... + 10279148.

It is an arithmetic number, because the mean of its divisors is an integer number (3843983220).

Almost surely, 2^23002230021 is an apocalyptic number.

It is an amenable number.

23002230021 is a deficient number, since it is larger than the sum of its proper divisors (7749635739).

23002230021 is a wasteful number, since it uses less digits than its factorization.

23002230021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20556435.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 23002230021 its reverse (12003220032), we get a palindrome (35005450053).

The spelling of 23002230021 in words is "twenty-three billion, two million, two hundred thirty thousand, twenty-one".