23072613 has 8 divisors (see below), whose sum is σ = 30934176. Its totient is φ = 15296400.

The previous prime is 23072597. The next prime is 23072659. The reversal of 23072613 is 31627032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23072613 - 2⁴ = 23072597 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23072513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20703 + ... + 21788.

It is an arithmetic number, because the mean of its divisors is an integer number (3866772).

Almost surely, 2^23072613 is an apocalyptic number.

It is an amenable number.

23072613 is a deficient number, since it is larger than the sum of its proper divisors (7861563).

23072613 is a wasteful number, since it uses less digits than its factorization.

23072613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42675.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 23072613 is about 4803.3959861748. The cubic root of 23072613 is about 284.6856614326.

Adding to 23072613 its reverse (31627032), we get a palindrome (54699645).

The spelling of 23072613 in words is "twenty-three million, seventy-two thousand, six hundred thirteen".