11423145 has 8 divisors (see below), whose sum is σ = 18277056. Its totient is φ = 6092336.

The previous prime is 11423131. The next prime is 11423149. The reversal of 11423145 is 54132411.

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 11423145 - 2⁶ = 11423081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11423149) 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 7 ways as a sum of consecutive naturals, for example, 380757 + ... + 380786.

It is an arithmetic number, because the mean of its divisors is an integer number (2284632).

Almost surely, 2^11423145 is an apocalyptic number.

11423145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11423145 is a deficient number, since it is larger than the sum of its proper divisors (6853911).

11423145 is an equidigital number, since it uses as much as digits as its factorization.

11423145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761551.

The product of its digits is 480, while the sum is 21.

The square root of 11423145 is about 3379.8143440136. The cubic root of 11423145 is about 225.2139200067.

Adding to 11423145 its reverse (54132411), we get a palindrome (65555556).

The spelling of 11423145 in words is "eleven million, four hundred twenty-three thousand, one hundred forty-five".