11230321240 has 32 divisors (see below), whose sum is σ = 25277384880. Its totient is φ = 4490499712.

The previous prime is 11230321231. The next prime is 11230321243. The reversal of 11230321240 is 4212303211.

It is a happy number.

It is a super-2 number, since 2×11230321240² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11230321243) 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, 63999 + ... + 162961.

Almost surely, 2^11230321240 is an apocalyptic number.

11230321240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11230321240 is an abundant number, since it is smaller than the sum of its proper divisors (14047063640).

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

11230321240 is a wasteful number, since it uses less digits than its factorization.

11230321240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101811 (or 101807 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11230321240 its reverse (4212303211), we get a palindrome (15442624451).

The spelling of 11230321240 in words is "eleven billion, two hundred thirty million, three hundred twenty-one thousand, two hundred forty".