1043240343 has 32 divisors (see below), whose sum is σ = 1489980096. Its totient is φ = 647006208.

The previous prime is 1043240321. The next prime is 1043240347. The reversal of 1043240343 is 3430423401.

It is not a de Polignac number, because 1043240343 - 2⁵ = 1043240311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043240347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2796705 + ... + 2797077.

It is an arithmetic number, because the mean of its divisors is an integer number (46561878).

Almost surely, 2^1043240343 is an apocalyptic number.

1043240343 is a deficient number, since it is larger than the sum of its proper divisors (446739753).

1043240343 is a wasteful number, since it uses less digits than its factorization.

1043240343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 1043240343 is about 32299.2313066426. The cubic root of 1043240343 is about 1014.2105513388.

Adding to 1043240343 its reverse (3430423401), we get a palindrome (4473663744).

The spelling of 1043240343 in words is "one billion, forty-three million, two hundred forty thousand, three hundred forty-three".