1043340023 has 8 divisors (see below), whose sum is σ = 1168951440. Its totient is φ = 922855680.

The previous prime is 1043339971. The next prime is 1043340041. The reversal of 1043340023 is 3200433401.

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 1043340023 - 2¹² = 1043335927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1043339977 and 1043340004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043340083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1281338 + ... + 1282151.

It is an arithmetic number, because the mean of its divisors is an integer number (146118930).

Almost surely, 2^1043340023 is an apocalyptic number.

1043340023 is a deficient number, since it is larger than the sum of its proper divisors (125611417).

1043340023 is a wasteful number, since it uses less digits than its factorization.

1043340023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2563537.

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

The square root of 1043340023 is about 32300.7743405634. The cubic root of 1043340023 is about 1014.2428523929.

Adding to 1043340023 its reverse (3200433401), we get a palindrome (4243773424).

The spelling of 1043340023 in words is "one billion, forty-three million, three hundred forty thousand, twenty-three".