1072321343 has 4 divisors (see below), whose sum is σ = 1082938488. Its totient is φ = 1061704200.

The previous prime is 1072321333. The next prime is 1072321351. The reversal of 1072321343 is 3431232701.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1072321343 is a prime.

It is a super-2 number, since 2×1072321343² = 2299746125306647298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072321303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5308421 + ... + 5308622.

It is an arithmetic number, because the mean of its divisors is an integer number (270734622).

Almost surely, 2^1072321343 is an apocalyptic number.

1072321343 is a deficient number, since it is larger than the sum of its proper divisors (10617145).

1072321343 is a wasteful number, since it uses less digits than its factorization.

1072321343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10617144.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 1072321343 is about 32746.3180067622. The cubic root of 1072321343 is about 1023.5482419784.

The spelling of 1072321343 in words is "one billion, seventy-two million, three hundred twenty-one thousand, three hundred forty-three".