23240613 has 16 divisors (see below), whose sum is σ = 33984000. Its totient is φ = 14010480.

The previous prime is 23240549. The next prime is 23240617. The reversal of 23240613 is 31604232.

It is a happy number.

It is not a de Polignac number, because 23240613 - 2⁶ = 23240549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23240613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23240617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4798 + ... + 8336.

It is an arithmetic number, because the mean of its divisors is an integer number (2124000).

Almost surely, 2^23240613 is an apocalyptic number.

It is an amenable number.

23240613 is a deficient number, since it is larger than the sum of its proper divisors (10743387).

23240613 is a wasteful number, since it uses less digits than its factorization.

23240613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3752.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 23240613 is about 4820.8518956716. The cubic root of 23240613 is about 285.3749573827.

Adding to 23240613 its reverse (31604232), we get a palindrome (54844845).

The spelling of 23240613 in words is "twenty-three million, two hundred forty thousand, six hundred thirteen".