23002613 has 4 divisors (see below), whose sum is σ = 23020140. Its totient is φ = 22985088.

The previous prime is 23002607. The next prime is 23002627. The reversal of 23002613 is 31620032.

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 6543364 + 16459249 = 2558^2 + 4057^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23002613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23002591 and 23002600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23002633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6620 + ... + 9477.

It is an arithmetic number, because the mean of its divisors is an integer number (5755035).

Almost surely, 2^23002613 is an apocalyptic number.

It is an amenable number.

23002613 is a deficient number, since it is larger than the sum of its proper divisors (17527).

23002613 is a wasteful number, since it uses less digits than its factorization.

23002613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17526.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 23002613 is about 4796.1039396577. The cubic root of 23002613 is about 284.3974671779.

Adding to 23002613 its reverse (31620032), we get a palindrome (54622645).

It can be divided in two parts, 2300 and 2613, that added together give a cube (4913 = 17³).

The spelling of 23002613 in words is "twenty-three million, two thousand, six hundred thirteen".