11323140 has 24 divisors (see below), whose sum is σ = 31704960. Its totient is φ = 3019488.

The previous prime is 11323133. The next prime is 11323141. The reversal of 11323140 is 4132311.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (11323141) 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, 94300 + ... + 94419.

It is an arithmetic number, because the mean of its divisors is an integer number (1321040).

Almost surely, 2^11323140 is an apocalyptic number.

11323140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11323140 is an abundant number, since it is smaller than the sum of its proper divisors (20381820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11323140 is a wasteful number, since it uses less digits than its factorization.

11323140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188731 (or 188729 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 11323140 is about 3364.9873699614. The cubic root of 11323140 is about 224.5547738964.

Adding to 11323140 its reverse (4132311), we get a palindrome (15455451).

The spelling of 11323140 in words is "eleven million, three hundred twenty-three thousand, one hundred forty".