11431723 has 4 divisors (see below), whose sum is σ = 11438560. Its totient is φ = 11424888.

The previous prime is 11431709. The next prime is 11431733. The reversal of 11431723 is 32713411.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11431723 - 2²¹ = 9334571 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11431694 and 11431703.

It is not an unprimeable number, because it can be changed into a prime (11431733) 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, 958 + ... + 4876.

It is an arithmetic number, because the mean of its divisors is an integer number (2859640).

Almost surely, 2^11431723 is an apocalyptic number.

11431723 is a deficient number, since it is larger than the sum of its proper divisors (6837).

11431723 is an equidigital number, since it uses as much as digits as its factorization.

11431723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6836.

The product of its digits is 504, while the sum is 22.

The square root of 11431723 is about 3381.0831104840. The cubic root of 11431723 is about 225.2702793145.

The spelling of 11431723 in words is "eleven million, four hundred thirty-one thousand, seven hundred twenty-three".