11405023 has 8 divisors (see below), whose sum is σ = 13156992. Its totient is φ = 9683736.

The previous prime is 11404999. The next prime is 11405029. The reversal of 11405023 is 32050411.

11405023 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 11405023 - 2¹³ = 11396831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11404988 and 11405006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11405029) 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, 6865 + ... + 8362.

It is an arithmetic number, because the mean of its divisors is an integer number (1644624).

Almost surely, 2^11405023 is an apocalyptic number.

11405023 is a deficient number, since it is larger than the sum of its proper divisors (1751969).

11405023 is a wasteful number, since it uses less digits than its factorization.

11405023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15341.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 11405023 is about 3377.1323634113. The cubic root of 11405023 is about 225.0947617303.

Adding to 11405023 its reverse (32050411), we get a palindrome (43455434).

The spelling of 11405023 in words is "eleven million, four hundred five thousand, twenty-three".