23135325505 has 24 divisors (see below), whose sum is σ = 29158069824. Its totient is φ = 17618126400.

The previous prime is 23135325503. The next prime is 23135325511. The reversal of 23135325505 is 50552353132.

It is not a de Polignac number, because 23135325505 - 2¹ = 23135325503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23135325503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 259810 + ... + 337300.

It is an arithmetic number, because the mean of its divisors is an integer number (1214919576).

Almost surely, 2^23135325505 is an apocalyptic number.

It is an amenable number.

23135325505 is a deficient number, since it is larger than the sum of its proper divisors (6022744319).

23135325505 is an equidigital number, since it uses as much as digits as its factorization.

23135325505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77625 (or 77596 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 34.

Adding to 23135325505 its reverse (50552353132), we get a palindrome (73687678637).

The spelling of 23135325505 in words is "twenty-three billion, one hundred thirty-five million, three hundred twenty-five thousand, five hundred five".