1043234643 has 8 divisors (see below), whose sum is σ = 1517432256. Its totient is φ = 632263400.

The previous prime is 1043234623. The next prime is 1043234681. The reversal of 1043234643 is 3464323401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1043234643 - 2⁵ = 1043234611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1043234643.

It is not an unprimeable number, because it can be changed into a prime (1043234623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15806553 + ... + 15806618.

It is an arithmetic number, because the mean of its divisors is an integer number (189679032).

Almost surely, 2^1043234643 is an apocalyptic number.

1043234643 is a deficient number, since it is larger than the sum of its proper divisors (474197613).

1043234643 is a wasteful number, since it uses less digits than its factorization.

1043234643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31613185.

The product of its (nonzero) digits is 20736, while the sum is 30.

The square root of 1043234643 is about 32299.1430691280. The cubic root of 1043234643 is about 1014.2087042059.

The spelling of 1043234643 in words is "one billion, forty-three million, two hundred thirty-four thousand, six hundred forty-three".