11731423 has 8 divisors (see below), whose sum is σ = 13211136. Its totient is φ = 10320600.

The previous prime is 11731409. The next prime is 11731451. The reversal of 11731423 is 32413711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11731423 - 2²¹ = 9634271 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11731394 and 11731403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11731483) 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 in 7 ways as a sum of consecutive naturals, for example, 16861 + ... + 17542.

It is an arithmetic number, because the mean of its divisors is an integer number (1651392).

Almost surely, 2^11731423 is an apocalyptic number.

11731423 is a deficient number, since it is larger than the sum of its proper divisors (1479713).

11731423 is a wasteful number, since it uses less digits than its factorization.

11731423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34445.

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

The square root of 11731423 is about 3425.1164943692. The cubic root of 11731423 is about 227.2219232527.

The spelling of 11731423 in words is "eleven million, seven hundred thirty-one thousand, four hundred twenty-three".