23101613 has 2 divisors, whose sum is σ = 23101614. Its totient is φ = 23101612.

The previous prime is 23101609. The next prime is 23101619. The reversal of 23101613 is 31610132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18003049 + 5098564 = 4243^2 + 2258^2 .

It is a cyclic number.

It is not a de Polignac number, because 23101613 - 2² = 23101609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23101591 and 23101600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23101619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11550806 + 11550807.

It is an arithmetic number, because the mean of its divisors is an integer number (11550807).

Almost surely, 2^23101613 is an apocalyptic number.

It is an amenable number.

23101613 is a deficient number, since it is larger than the sum of its proper divisors (1).

23101613 is an equidigital number, since it uses as much as digits as its factorization.

23101613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 23101613 is about 4806.4137358326. The cubic root of 23101613 is about 284.8048854328.

Adding to 23101613 its reverse (31610132), we get a palindrome (54711745).

The spelling of 23101613 in words is "twenty-three million, one hundred one thousand, six hundred thirteen".