23345613 has 6 divisors (see below), whose sum is σ = 33721454. Its totient is φ = 15563736.

The previous prime is 23345611. The next prime is 23345627. The reversal of 23345613 is 31654332.

It is a happy number.

23345613 is a `hidden beast` number, since 2 + 3 + 3 + 45 + 613 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21650409 + 1695204 = 4653^2 + 1302^2 .

It is not a de Polignac number, because 23345613 - 2¹ = 23345611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23345611) 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 5 ways as a sum of consecutive naturals, for example, 1296970 + ... + 1296987.

Almost surely, 2^23345613 is an apocalyptic number.

It is an amenable number.

23345613 is a deficient number, since it is larger than the sum of its proper divisors (10375841).

23345613 is a wasteful number, since it uses less digits than its factorization.

23345613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2593963 (or 2593960 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 23345613 is about 4831.7298144660. The cubic root of 23345613 is about 285.8040820014.

Adding to 23345613 its reverse (31654332), we get a palindrome (54999945).

The spelling of 23345613 in words is "twenty-three million, three hundred forty-five thousand, six hundred thirteen".