1143243351340 has 48 divisors (see below), whose sum is σ = 2409533058240. Its totient is φ = 455638337280.

The previous prime is 1143243351269. The next prime is 1143243351353. The reversal of 1143243351340 is 431533423411.

It is a super-2 number, since 2×1143243351340² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1143243351296 and 1143243351305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7842841 + ... + 7987279.

It is an arithmetic number, because the mean of its divisors is an integer number (50198605380).

Almost surely, 2^{1143243351340} is an apocalyptic number.

1143243351340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143243351340 is an abundant number, since it is smaller than the sum of its proper divisors (1266289706900).

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

1143243351340 is a wasteful number, since it uses less digits than its factorization.

1143243351340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145882 (or 145880 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 1143243351340 its reverse (431533423411), we get a palindrome (1574776774751).

The spelling of 1143243351340 in words is "one trillion, one hundred forty-three billion, two hundred forty-three million, three hundred fifty-one thousand, three hundred forty".