11723146 has 16 divisors (see below), whose sum is σ = 18943488. Its totient is φ = 5425200.

The previous prime is 11723141. The next prime is 11723147. The reversal of 11723146 is 64132711.

It is a self number, because there is not a number n which added to its sum of digits gives 11723146.

It is not an unprimeable number, because it can be changed into a prime (11723141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2685 + ... + 5536.

It is an arithmetic number, because the mean of its divisors is an integer number (1183968).

Almost surely, 2^11723146 is an apocalyptic number.

11723146 is a deficient number, since it is larger than the sum of its proper divisors (7220342).

11723146 is a wasteful number, since it uses less digits than its factorization.

11723146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8277.

The product of its digits is 1008, while the sum is 25.

The square root of 11723146 is about 3423.9080011005. The cubic root of 11723146 is about 227.1684725520.

Adding to 11723146 its reverse (64132711), we get a palindrome (75855857).

The spelling of 11723146 in words is "eleven million, seven hundred twenty-three thousand, one hundred forty-six".