1043234320 has 80 divisors (see below), whose sum is σ = 2513553408. Its totient is φ = 402255360.

The previous prime is 1043234303. The next prime is 1043234323. The reversal of 1043234320 is 234323401.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 1043234291 and 1043234300.

It is not an unprimeable number, because it can be changed into a prime (1043234323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 785497 + ... + 786823.

Almost surely, 2^1043234320 is an apocalyptic number.

1043234320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1043234320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1256776704).

1043234320 is an abundant number, since it is smaller than the sum of its proper divisors (1470319088).

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

1043234320 is a wasteful number, since it uses less digits than its factorization.

1043234320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688 (or 1682 counting only the distinct ones).

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

The square root of 1043234320 is about 32299.1380689950. The cubic root of 1043234320 is about 1014.2085995349.

Adding to 1043234320 its reverse (234323401), we get a palindrome (1277557721).

The spelling of 1043234320 in words is "one billion, forty-three million, two hundred thirty-four thousand, three hundred twenty".