11403455 has 8 divisors (see below), whose sum is σ = 15639072. Its totient is φ = 7819488.

The previous prime is 11403451. The next prime is 11403463. The reversal of 11403455 is 55430411.

11403455 is digitally balanced in base 2, 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 11403455 - 2² = 11403451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11403455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11403451) 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, 162872 + ... + 162941.

It is an arithmetic number, because the mean of its divisors is an integer number (1954884).

Almost surely, 2^11403455 is an apocalyptic number.

11403455 is a deficient number, since it is larger than the sum of its proper divisors (4235617).

11403455 is an equidigital number, since it uses as much as digits as its factorization.

11403455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325825.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 11403455 is about 3376.9002058101. The cubic root of 11403455 is about 225.0844456686.

Adding to 11403455 its reverse (55430411), we get a palindrome (66833866).

The spelling of 11403455 in words is "eleven million, four hundred three thousand, four hundred fifty-five".