11331123 has 8 divisors (see below), whose sum is σ = 15155136. Its totient is φ = 7530600.

The previous prime is 11331121. The next prime is 11331137. The reversal of 11331123 is 32113311.

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

It is not a de Polignac number, because 11331123 - 2¹ = 11331121 is a prime.

It is a super-2 number, since 2×11331123² = 256788696882258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11331121) 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, 4713 + ... + 6698.

It is an arithmetic number, because the mean of its divisors is an integer number (1894392).

Almost surely, 2^11331123 is an apocalyptic number.

11331123 is a deficient number, since it is larger than the sum of its proper divisors (3824013).

11331123 is a wasteful number, since it uses less digits than its factorization.

11331123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11745.

The product of its digits is 54, while the sum is 15.

The square root of 11331123 is about 3366.1733466950. The cubic root of 11331123 is about 224.6075331030.

Adding to 11331123 its reverse (32113311), we get a palindrome (43444434).

The spelling of 11331123 in words is "eleven million, three hundred thirty-one thousand, one hundred twenty-three".