23540366 has 4 divisors (see below), whose sum is σ = 35310552. Its totient is φ = 11770182.

The previous prime is 23540357. The next prime is 23540369. The reversal of 23540366 is 66304532.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23540369) 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 as a sum of consecutive naturals, namely, 5885090 + ... + 5885093.

It is an arithmetic number, because the mean of its divisors is an integer number (8827638).

Almost surely, 2^23540366 is an apocalyptic number.

23540366 is a deficient number, since it is larger than the sum of its proper divisors (11770186).

23540366 is a wasteful number, since it uses less digits than its factorization.

23540366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11770185.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 23540366 is about 4851.8415060676. The cubic root of 23540366 is about 286.5966240149.

Adding to 23540366 its reverse (66304532), we get a palindrome (89844898).

The spelling of 23540366 in words is "twenty-three million, five hundred forty thousand, three hundred sixty-six".