1043323040 has 48 divisors (see below), whose sum is σ = 2531482632. Its totient is φ = 406047744.

The previous prime is 1043323027. The next prime is 1043323051. The reversal of 1043323040 is 403233401.

It can be written as a sum of positive squares in 4 ways, for example, as 1034008336 + 9314704 = 32156^2 + 3052^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 82199 + ... + 94038.

Almost surely, 2^1043323040 is an apocalyptic number.

1043323040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1043323040 is an abundant number, since it is smaller than the sum of its proper divisors (1488159592).

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

1043323040 is a wasteful number, since it uses less digits than its factorization.

1043323040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176289 (or 176281 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1043323040 is about 32300.5114510591. The cubic root of 1043323040 is about 1014.2373492397.

Adding to 1043323040 its reverse (403233401), we get a palindrome (1446556441).

The spelling of 1043323040 in words is "one billion, forty-three million, three hundred twenty-three thousand, forty".