11343213240 has 32 divisors (see below), whose sum is σ = 34029640080. Its totient is φ = 3024856832.

The previous prime is 11343213239. The next prime is 11343213269. The reversal of 11343213240 is 4231234311.

It is a happy number.

It is a super-2 number, since 2×11343213240² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 11343213240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47263269 + ... + 47263508.

Almost surely, 2^11343213240 is an apocalyptic number.

11343213240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11343213240 is an abundant number, since it is smaller than the sum of its proper divisors (22686426840).

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

11343213240 is a wasteful number, since it uses less digits than its factorization.

11343213240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94526791 (or 94526787 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 11343213240 its reverse (4231234311), we get a palindrome (15574447551).

The spelling of 11343213240 in words is "eleven billion, three hundred forty-three million, two hundred thirteen thousand, two hundred forty".