1343223040 has 72 divisors (see below), whose sum is σ = 3406755240. Its totient is φ = 505675776.

The previous prime is 1343223029. The next prime is 1343223053. The reversal of 1343223040 is 403223431.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 693584896 + 649638144 = 26336^2 + 25488^2 .

It is a zygodrome in base 4.

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, 9105 + ... + 52624.

It is an arithmetic number, because the mean of its divisors is an integer number (47316045).

Almost surely, 2^1343223040 is an apocalyptic number.

1343223040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1343223040 is an abundant number, since it is smaller than the sum of its proper divisors (2063532200).

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

1343223040 is an equidigital number, since it uses as much as digits as its factorization.

1343223040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61767 (or 61753 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 1343223040 is about 36650.0073669843. The cubic root of 1343223040 is about 1103.3569734370.

Adding to 1343223040 its reverse (403223431), we get a palindrome (1746446471).

The spelling of 1343223040 in words is "one billion, three hundred forty-three million, two hundred twenty-three thousand, forty".