23540466 has 16 divisors (see below), whose sum is σ = 47453184. Its totient is φ = 7784784.

The previous prime is 23540443. The next prime is 23540471. The reversal of 23540466 is 66404532.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14685 + ... + 16208.

It is an arithmetic number, because the mean of its divisors is an integer number (2965824).

Almost surely, 2^23540466 is an apocalyptic number.

23540466 is an abundant number, since it is smaller than the sum of its proper divisors (23912718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23540466 is a wasteful number, since it uses less digits than its factorization.

23540466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31025.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 23540466 is about 4851.8518114221. The cubic root of 23540466 is about 286.5970298372.

Adding to 23540466 its reverse (66404532), we get a palindrome (89944998).

The spelling of 23540466 in words is "twenty-three million, five hundred forty thousand, four hundred sixty-six".