23010032221 has 4 divisors (see below), whose sum is σ = 25101853344. Its totient is φ = 20918211100.

The previous prime is 23010032197. The next prime is 23010032237. The reversal of 23010032221 is 12223001032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23010032221 - 2⁵ = 23010032189 is a prime.

It is a super-2 number, since 2×23010032221² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23010032195 and 23010032204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23010032621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1045910545 + ... + 1045910566.

It is an arithmetic number, because the mean of its divisors is an integer number (6275463336).

Almost surely, 2^23010032221 is an apocalyptic number.

It is an amenable number.

23010032221 is a deficient number, since it is larger than the sum of its proper divisors (2091821123).

23010032221 is a wasteful number, since it uses less digits than its factorization.

23010032221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2091821122.

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

Adding to 23010032221 its reverse (12223001032), we get a palindrome (35233033253).

The spelling of 23010032221 in words is "twenty-three billion, ten million, thirty-two thousand, two hundred twenty-one".