23223214021 has 32 divisors (see below), whose sum is σ = 29186334720. Its totient is φ = 18023233536.

The previous prime is 23223214013. The next prime is 23223214043. The reversal of 23223214021 is 12041232232.

It is not a de Polignac number, because 23223214021 - 2³ = 23223214013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23223213983 and 23223214001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23223214051) 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, 362236 + ... + 421498.

It is an arithmetic number, because the mean of its divisors is an integer number (912072960).

Almost surely, 2^23223214021 is an apocalyptic number.

It is an amenable number.

23223214021 is a deficient number, since it is larger than the sum of its proper divisors (5963120699).

23223214021 is a wasteful number, since it uses less digits than its factorization.

23223214021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59413.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 23223214021 its reverse (12041232232), we get a palindrome (35264446253).

The spelling of 23223214021 in words is "twenty-three billion, two hundred twenty-three million, two hundred fourteen thousand, twenty-one".