11123690 has 8 divisors (see below), whose sum is σ = 20022660. Its totient is φ = 4449472.

The previous prime is 11123689. The next prime is 11123701. The reversal of 11123690 is 9632111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10843849 + 279841 = 3293^2 + 529^2 .

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

It is a super-2 number, since 2×11123690² = 247472958432200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556175 + ... + 556194.

Almost surely, 2^11123690 is an apocalyptic number.

11123690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11123690 is a deficient number, since it is larger than the sum of its proper divisors (8898970).

11123690 is a wasteful number, since it uses less digits than its factorization.

11123690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112376.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 11123690 is about 3335.2196329477. The cubic root of 11123690 is about 223.2284921640.

The spelling of 11123690 in words is "eleven million, one hundred twenty-three thousand, six hundred ninety".