1040042343 has 8 divisors (see below), whose sum is σ = 1431456256. Its totient is φ = 670995000.

The previous prime is 1040042327. The next prime is 1040042411. The reversal of 1040042343 is 3432400401.

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

It is not a de Polignac number, because 1040042343 - 2⁴ = 1040042327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040040343) 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, 5591533 + ... + 5591718.

It is an arithmetic number, because the mean of its divisors is an integer number (178932032).

Almost surely, 2^1040042343 is an apocalyptic number.

1040042343 is a deficient number, since it is larger than the sum of its proper divisors (391413913).

1040042343 is a wasteful number, since it uses less digits than its factorization.

1040042343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11183285.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1040042343 is about 32249.6874868579. The cubic root of 1040042343 is about 1013.1731537004.

Adding to 1040042343 its reverse (3432400401), we get a palindrome (4472442744).

The spelling of 1040042343 in words is "one billion, forty million, forty-two thousand, three hundred forty-three".