23013012221 has 8 divisors (see below), whose sum is σ = 23743910400. Its totient is φ = 22290190560.

The previous prime is 23013012199. The next prime is 23013012241. The reversal of 23013012221 is 12221031032.

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 23013012221 - 2²² = 23008817917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23013012221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23013012241) 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 7 ways as a sum of consecutive naturals, for example, 2013341 + ... + 2024738.

It is an arithmetic number, because the mean of its divisors is an integer number (2967988800).

Almost surely, 2^23013012221 is an apocalyptic number.

It is an amenable number.

23013012221 is a deficient number, since it is larger than the sum of its proper divisors (730898179).

23013012221 is a wasteful number, since it uses less digits than its factorization.

23013012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4038259.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 23013012221 its reverse (12221031032), we get a palindrome (35234043253).

The spelling of 23013012221 in words is "twenty-three billion, thirteen million, twelve thousand, two hundred twenty-one".