11723319 has 16 divisors (see below), whose sum is σ = 18390240. Its totient is φ = 7355520.

The previous prime is 11723303. The next prime is 11723329. The reversal of 11723319 is 91332711.

It is not a de Polignac number, because 11723319 - 2⁴ = 11723303 is a prime.

It is a super-2 number, since 2×11723319² = 274872416751522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 11723292 and 11723301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11723329) 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 15 ways as a sum of consecutive naturals, for example, 12312 + ... + 13229.

It is an arithmetic number, because the mean of its divisors is an integer number (1149390).

Almost surely, 2^11723319 is an apocalyptic number.

11723319 is a deficient number, since it is larger than the sum of its proper divisors (6666921).

11723319 is a wasteful number, since it uses less digits than its factorization.

11723319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25567 (or 25561 counting only the distinct ones).

The product of its digits is 1134, while the sum is 27.

The square root of 11723319 is about 3423.9332645366. The cubic root of 11723319 is about 227.1695899981.

It can be divided in two parts, 117 and 23319, that added together give a triangular number (23436 = T₂₁₆).

The spelling of 11723319 in words is "eleven million, seven hundred twenty-three thousand, three hundred nineteen".