11423969 has 8 divisors (see below), whose sum is σ = 11675328. Its totient is φ = 11175120.

The previous prime is 11423933. The next prime is 11423977. The reversal of 11423969 is 96932411.

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

It is a cyclic number.

It is not a de Polignac number, because 11423969 - 2¹⁶ = 11358433 is a prime.

It is a super-2 number, since 2×11423969² = 261014135425922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11423569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10679 + ... + 11699.

It is an arithmetic number, because the mean of its divisors is an integer number (1459416).

Almost surely, 2^11423969 is an apocalyptic number.

It is an amenable number.

11423969 is a deficient number, since it is larger than the sum of its proper divisors (251359).

11423969 is a wasteful number, since it uses less digits than its factorization.

11423969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255.

The product of its digits is 11664, while the sum is 35.

The square root of 11423969 is about 3379.9362420022. The cubic root of 11423969 is about 225.2193350889.

The spelling of 11423969 in words is "eleven million, four hundred twenty-three thousand, nine hundred sixty-nine".