1023443043 has 16 divisors (see below), whose sum is σ = 1595801856. Its totient is φ = 571223520.

The previous prime is 1023443009. The next prime is 1023443209. The reversal of 1023443043 is 3403443201.

It is not a de Polignac number, because 1023443043 - 2¹⁰ = 1023442019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1023441043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 565788 + ... + 567593.

It is an arithmetic number, because the mean of its divisors is an integer number (99737616).

Almost surely, 2^1023443043 is an apocalyptic number.

1023443043 is a deficient number, since it is larger than the sum of its proper divisors (572358813).

1023443043 is a wasteful number, since it uses less digits than its factorization.

1023443043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133434.

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

The square root of 1023443043 is about 31991.2963632298. The cubic root of 1023443043 is about 1007.7540667103.

Adding to 1023443043 its reverse (3403443201), we get a palindrome (4426886244).

The spelling of 1023443043 in words is "one billion, twenty-three million, four hundred forty-three thousand, forty-three".