11742723 has 12 divisors (see below), whose sum is σ = 17137848. Its totient is φ = 7747200.

The previous prime is 11742713. The next prime is 11742751. The reversal of 11742723 is 32724711.

It is a happy number.

It is not a de Polignac number, because 11742723 - 2⁵ = 11742691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11742713) 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 11 ways as a sum of consecutive naturals, for example, 5853 + ... + 7598.

It is an arithmetic number, because the mean of its divisors is an integer number (1428154).

Almost surely, 2^11742723 is an apocalyptic number.

11742723 is a deficient number, since it is larger than the sum of its proper divisors (5395125).

11742723 is a wasteful number, since it uses less digits than its factorization.

11742723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13554 (or 13551 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 11742723 is about 3426.7656762609. The cubic root of 11742723 is about 227.2948551207.

The spelling of 11742723 in words is "eleven million, seven hundred forty-two thousand, seven hundred twenty-three".