11623378 has 8 divisors (see below), whose sum is σ = 18776268. Its totient is φ = 5364624.

The previous prime is 11623363. The next prime is 11623379. The reversal of 11623378 is 87332611.

It can be written as a sum of positive squares in 2 ways, for example, as 9529569 + 2093809 = 3087^2 + 1447^2 .

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

It is a super-2 number, since 2×11623378² = 270205832261768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11623379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223501 + ... + 223552.

Almost surely, 2^11623378 is an apocalyptic number.

11623378 is a deficient number, since it is larger than the sum of its proper divisors (7152890).

11623378 is a wasteful number, since it uses less digits than its factorization.

11623378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447068.

The product of its digits is 6048, while the sum is 31.

The square root of 11623378 is about 3409.3075543283. The cubic root of 11623378 is about 226.5222085116.

Adding to 11623378 its reverse (87332611), we get a palindrome (98955989).

The spelling of 11623378 in words is "eleven million, six hundred twenty-three thousand, three hundred seventy-eight".