23540613 has 8 divisors (see below), whose sum is σ = 31418976. Its totient is φ = 15678000.

The previous prime is 23540611. The next prime is 23540633. The reversal of 23540613 is 31604532.

It is a happy number.

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

It is not a de Polignac number, because 23540613 - 2¹ = 23540611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23540611) 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 7 ways as a sum of consecutive naturals, for example, 163 + ... + 6863.

It is an arithmetic number, because the mean of its divisors is an integer number (3927372).

Almost surely, 2^23540613 is an apocalyptic number.

It is an amenable number.

23540613 is a deficient number, since it is larger than the sum of its proper divisors (7878363).

23540613 is a wasteful number, since it uses less digits than its factorization.

23540613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7875.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 23540613 is about 4851.8669602535. The cubic root of 23540613 is about 286.5976263941.

The spelling of 23540613 in words is "twenty-three million, five hundred forty thousand, six hundred thirteen".