11229723 has 12 divisors (see below), whose sum is σ = 16281720. Its totient is φ = 7458336.

The previous prime is 11229697. The next prime is 11229731. The reversal of 11229723 is 32792211.

It is a de Polignac number, because none of the positive numbers 2^k-11229723 is a prime.

It is a super-2 number, since 2×11229723² = 252213357313458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11229763) 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 11 ways as a sum of consecutive naturals, for example, 343 + ... + 4751.

It is an arithmetic number, because the mean of its divisors is an integer number (1356810).

Almost surely, 2^11229723 is an apocalyptic number.

11229723 is a deficient number, since it is larger than the sum of its proper divisors (5051997).

11229723 is a wasteful number, since it uses less digits than its factorization.

11229723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4698 (or 4695 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 11229723 is about 3351.0778862927. The cubic root of 11229723 is about 223.9355349676.

The spelling of 11229723 in words is "eleven million, two hundred twenty-nine thousand, seven hundred twenty-three".