23232176505 has 12 divisors (see below), whose sum is σ = 40269106020. Its totient is φ = 12390494112.

The previous prime is 23232176479. The next prime is 23232176507. The reversal of 23232176505 is 50567123232.

It can be written as a sum of positive squares in 2 ways, for example, as 4971519081 + 18260657424 = 70509^2 + 135132^2 .

It is not a de Polignac number, because 23232176505 - 2⁷ = 23232176377 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23232176505.

It is not an unprimeable number, because it can be changed into a prime (23232176507) 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, 258135250 + ... + 258135339.

It is an arithmetic number, because the mean of its divisors is an integer number (3355758835).

Almost surely, 2^23232176505 is an apocalyptic number.

It is an amenable number.

23232176505 is a deficient number, since it is larger than the sum of its proper divisors (17036929515).

23232176505 is a wasteful number, since it uses less digits than its factorization.

23232176505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516270600 (or 516270597 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

Adding to 23232176505 its reverse (50567123232), we get a palindrome (73799299737).

It can be divided in two parts, 2323 and 2176505, that added together give a triangular number (2178828 = T₂₀₈₇).

The spelling of 23232176505 in words is "twenty-three billion, two hundred thirty-two million, one hundred seventy-six thousand, five hundred five".