23540684 has 12 divisors (see below), whose sum is σ = 42987504. Its totient is φ = 11258544.

The previous prime is 23540681. The next prime is 23540711. The reversal of 23540684 is 48604532.

It is a self number, because there is not a number n which added to its sum of digits gives 23540684.

It is not an unprimeable number, because it can be changed into a prime (23540681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127847 + ... + 128030.

It is an arithmetic number, because the mean of its divisors is an integer number (3582292).

Almost surely, 2^23540684 is an apocalyptic number.

It is an amenable number.

23540684 is a deficient number, since it is larger than the sum of its proper divisors (19446820).

23540684 is a wasteful number, since it uses less digits than its factorization.

23540684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255904 (or 255902 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 23540684 is about 4851.8742770191. The cubic root of 23540684 is about 286.5979145260.

The spelling of 23540684 in words is "twenty-three million, five hundred forty thousand, six hundred eighty-four".