23215221335 has 8 divisors (see below), whose sum is σ = 29496987216. Its totient is φ = 17479696000.

The previous prime is 23215221331. The next prime is 23215221349. The reversal of 23215221335 is 53312251232.

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

It is not a de Polignac number, because 23215221335 - 2² = 23215221331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23215221298 and 23215221307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23215221331) 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, 136560041 + ... + 136560210.

It is an arithmetic number, because the mean of its divisors is an integer number (3687123402).

Almost surely, 2^23215221335 is an apocalyptic number.

23215221335 is a deficient number, since it is larger than the sum of its proper divisors (6281765881).

23215221335 is a wasteful number, since it uses less digits than its factorization.

23215221335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273120273.

The product of its digits is 10800, while the sum is 29.

Adding to 23215221335 its reverse (53312251232), we get a palindrome (76527472567).

The spelling of 23215221335 in words is "twenty-three billion, two hundred fifteen million, two hundred twenty-one thousand, three hundred thirty-five".