23115134536 has 48 divisors (see below), whose sum is σ = 47631898800. Its totient is φ = 10509250752.

The previous prime is 23115134533. The next prime is 23115134561. The reversal of 23115134536 is 63543151132.

It is not an unprimeable number, because it can be changed into a prime (23115134533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37006 + ... + 218173.

It is an arithmetic number, because the mean of its divisors is an integer number (992331225).

Almost surely, 2^23115134536 is an apocalyptic number.

23115134536 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

23115134536 is an abundant number, since it is smaller than the sum of its proper divisors (24516764264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23115134536 is a wasteful number, since it uses less digits than its factorization.

23115134536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255278 (or 255261 counting only the distinct ones).

The product of its digits is 32400, while the sum is 34.

Adding to 23115134536 its reverse (63543151132), we get a palindrome (86658285668).

The spelling of 23115134536 in words is "twenty-three billion, one hundred fifteen million, one hundred thirty-four thousand, five hundred thirty-six".