11423087 has 4 divisors (see below), whose sum is σ = 12301800. Its totient is φ = 10544376.

The previous prime is 11423081. The next prime is 11423101. The reversal of 11423087 is 78032411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78032411 = 19 ⋅4106969.

It is a cyclic number.

It is not a de Polignac number, because 11423087 - 2⁶ = 11423023 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 (11423081) 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, 439337 + ... + 439362.

It is an arithmetic number, because the mean of its divisors is an integer number (3075450).

Almost surely, 2^11423087 is an apocalyptic number.

11423087 is a deficient number, since it is larger than the sum of its proper divisors (878713).

11423087 is an equidigital number, since it uses as much as digits as its factorization.

11423087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878712.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 11423087 is about 3379.8057636497. The cubic root of 11423087 is about 225.2135388382.

Adding to 11423087 its reverse (78032411), we get a palindrome (89455498).

The spelling of 11423087 in words is "eleven million, four hundred twenty-three thousand, eighty-seven".