23072211321 has 8 divisors (see below), whose sum is σ = 31222097184. Its totient is φ = 15151899840.

The previous prime is 23072211307. The next prime is 23072211343. The reversal of 23072211321 is 12311227032.

It is a happy number.

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

It is not a de Polignac number, because 23072211321 - 2²³ = 23063822713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23072211291 and 23072211300.

It is not an unprimeable number, because it can be changed into a prime (23072211391) 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, 57393360 + ... + 57393761.

It is an arithmetic number, because the mean of its divisors is an integer number (3902762148).

Almost surely, 2^23072211321 is an apocalyptic number.

It is an amenable number.

23072211321 is a deficient number, since it is larger than the sum of its proper divisors (8149885863).

23072211321 is a wasteful number, since it uses less digits than its factorization.

23072211321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114787191.

The product of its (nonzero) digits is 1008, while the sum is 24.

Adding to 23072211321 its reverse (12311227032), we get a palindrome (35383438353).

The spelling of 23072211321 in words is "twenty-three billion, seventy-two million, two hundred eleven thousand, three hundred twenty-one".