23115443522 has 16 divisors (see below), whose sum is σ = 35497426272. Its totient is φ = 11283239520.

The previous prime is 23115443471. The next prime is 23115443563. The reversal of 23115443522 is 22534451132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106118 + ... + 239774.

It is an arithmetic number, because the mean of its divisors is an integer number (2218589142).

Almost surely, 2^23115443522 is an apocalyptic number.

23115443522 is a deficient number, since it is larger than the sum of its proper divisors (12381982750).

23115443522 is a wasteful number, since it uses less digits than its factorization.

23115443522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135713.

The product of its digits is 28800, while the sum is 32.

Adding to 23115443522 its reverse (22534451132), we get a palindrome (45649894654).

The spelling of 23115443522 in words is "twenty-three billion, one hundred fifteen million, four hundred forty-three thousand, five hundred twenty-two".