23175232105 has 4 divisors (see below), whose sum is σ = 27810278532. Its totient is φ = 18540185680.

The previous prime is 23175232097. The next prime is 23175232153. The reversal of 23175232105 is 50123257132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15424894809 + 7750337296 = 124197^2 + 88036^2 .

It is not a de Polignac number, because 23175232105 - 2³ = 23175232097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2317523206 + ... + 2317523215.

It is an arithmetic number, because the mean of its divisors is an integer number (6952569633).

Almost surely, 2^23175232105 is an apocalyptic number.

It is an amenable number.

23175232105 is a deficient number, since it is larger than the sum of its proper divisors (4635046427).

23175232105 is an equidigital number, since it uses as much as digits as its factorization.

23175232105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4635046426.

The product of its (nonzero) digits is 12600, while the sum is 31.

Adding to 23175232105 its reverse (50123257132), we get a palindrome (73298489237).

The spelling of 23175232105 in words is "twenty-three billion, one hundred seventy-five million, two hundred thirty-two thousand, one hundred five".