11239423 has 8 divisors (see below), whose sum is σ = 12161408. Its totient is φ = 10325664.

The previous prime is 11239421. The next prime is 11239427. The reversal of 11239423 is 32493211.

It is a Cunningham number, because it is equal to 224³-1.

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 11239423 - 2¹ = 11239421 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 (11239421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 961 + ... + 4837.

It is an arithmetic number, because the mean of its divisors is an integer number (1520176).

Almost surely, 2^11239423 is an apocalyptic number.

11239423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11239423 is a deficient number, since it is larger than the sum of its proper divisors (921985).

11239423 is a wasteful number, since it uses less digits than its factorization.

11239423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4113.

The product of its digits is 1296, while the sum is 25.

The square root of 11239423 is about 3352.5248694081. The cubic root of 11239423 is about 223.9999933567. Note that the first 5 decimals are identical.

The spelling of 11239423 in words is "eleven million, two hundred thirty-nine thousand, four hundred twenty-three".