11149723 has 4 divisors (see below), whose sum is σ = 12007408. Its totient is φ = 10292040.

The previous prime is 11149709. The next prime is 11149727. The reversal of 11149723 is 32794111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32794111 = 7 ⋅4684873.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11149723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11149691 and 11149700.

It is not an unprimeable number, because it can be changed into a prime (11149727) 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 3 ways as a sum of consecutive naturals, for example, 428823 + ... + 428848.

It is an arithmetic number, because the mean of its divisors is an integer number (3001852).

Almost surely, 2^11149723 is an apocalyptic number.

11149723 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11149723 is a deficient number, since it is larger than the sum of its proper divisors (857685).

11149723 is an equidigital number, since it uses as much as digits as its factorization.

11149723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857684.

The product of its digits is 1512, while the sum is 28.

The square root of 11149723 is about 3339.1200936774. The cubic root of 11149723 is about 223.4024985648.

The spelling of 11149723 in words is "eleven million, one hundred forty-nine thousand, seven hundred twenty-three".