23223010221 has 24 divisors (see below), whose sum is σ = 34245244800. Its totient is φ = 15161445600.

The previous prime is 23223010207. The next prime is 23223010249. The reversal of 23223010221 is 12201032232.

It is not a de Polignac number, because 23223010221 - 2⁵ = 23223010189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23223010194 and 23223010203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23223810221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26745 + ... + 217166.

It is an arithmetic number, because the mean of its divisors is an integer number (1426885200).

Almost surely, 2^23223010221 is an apocalyptic number.

It is an amenable number.

23223010221 is a deficient number, since it is larger than the sum of its proper divisors (11022234579).

23223010221 is a wasteful number, since it uses less digits than its factorization.

23223010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244137 (or 244134 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 23223010221 its reverse (12201032232), we get a palindrome (35424042453).

The spelling of 23223010221 in words is "twenty-three billion, two hundred twenty-three million, ten thousand, two hundred twenty-one".