23132617 has 4 divisors (see below), whose sum is σ = 23142276. Its totient is φ = 23122960.

The previous prime is 23132591. The next prime is 23132623. The reversal of 23132617 is 71623132.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 14258176 + 8874441 = 3776^2 + 2979^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23132617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23132591 and 23132600.

It is not an unprimeable number, because it can be changed into a prime (23132717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1767 + ... + 7027.

It is an arithmetic number, because the mean of its divisors is an integer number (5785569).

Almost surely, 2^23132617 is an apocalyptic number.

It is an amenable number.

23132617 is a deficient number, since it is larger than the sum of its proper divisors (9659).

23132617 is an equidigital number, since it uses as much as digits as its factorization.

23132617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9658.

The product of its digits is 1512, while the sum is 25.

The square root of 23132617 is about 4809.6379281605. The cubic root of 23132617 is about 284.9322379169.

Adding to 23132617 its reverse (71623132), we get a palindrome (94755749).

The spelling of 23132617 in words is "twenty-three million, one hundred thirty-two thousand, six hundred seventeen".