11099423 has 4 divisors (see below), whose sum is σ = 11133288. Its totient is φ = 11065560.

The previous prime is 11099411. The next prime is 11099443. The reversal of 11099423 is 32499011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11099423 - 2¹² = 11095327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11099443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16436 + ... + 17097.

It is an arithmetic number, because the mean of its divisors is an integer number (2783322).

Almost surely, 2^11099423 is an apocalyptic number.

11099423 is a deficient number, since it is larger than the sum of its proper divisors (33865).

11099423 is an equidigital number, since it uses as much as digits as its factorization.

11099423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33864.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 11099423 is about 3331.5796553587. The cubic root of 11099423 is about 223.0660451752.

The spelling of 11099423 in words is "eleven million, ninety-nine thousand, four hundred twenty-three".