23215103422511 has 64 divisors (see below), whose sum is σ = 32080723992576. Its totient is φ = 16217271100800.

The previous prime is 23215103422501. The next prime is 23215103422513. The reversal of 23215103422511 is 11522430151232.

It is not a de Polignac number, because 23215103422511 - 2²² = 23215099228207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23215103422513) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2324096 + ... + 7199418.

It is an arithmetic number, because the mean of its divisors is an integer number (501261312384).

Almost surely, 2^{23215103422511} is an apocalyptic number.

23215103422511 is a deficient number, since it is larger than the sum of its proper divisors (8865620570065).

23215103422511 is a wasteful number, since it uses less digits than its factorization.

23215103422511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4875492.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 23215103422511 its reverse (11522430151232), we get a palindrome (34737533573743).

The spelling of 23215103422511 in words is "twenty-three trillion, two hundred fifteen billion, one hundred three million, four hundred twenty-two thousand, five hundred eleven".