11400423 has 8 divisors (see below), whose sum is σ = 15241200. Its totient is φ = 7579968.

The previous prime is 11400407. The next prime is 11400427. The reversal of 11400423 is 32400411.

11400423 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 not a de Polignac number, because 11400423 - 2⁴ = 11400407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11400427) 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, 3718 + ... + 6051.

It is an arithmetic number, because the mean of its divisors is an integer number (1905150).

Almost surely, 2^11400423 is an apocalyptic number.

11400423 is a deficient number, since it is larger than the sum of its proper divisors (3840777).

11400423 is an equidigital number, since it uses as much as digits as its factorization.

11400423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10161.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 11400423 is about 3376.4512435396. The cubic root of 11400423 is about 225.0644950913.

Adding to 11400423 its reverse (32400411), we get a palindrome (43800834).

The spelling of 11400423 in words is "eleven million, four hundred thousand, four hundred twenty-three".