1000023043 has 2 divisors, whose sum is σ = 1000023044. Its totient is φ = 1000023042.

The previous prime is 1000023041. The next prime is 1000023053. The reversal of 1000023043 is 3403200001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1000023043 - 2¹ = 1000023041 is a prime.

Together with 1000023041, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1000023041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500011521 + 500011522.

It is an arithmetic number, because the mean of its divisors is an integer number (500011522).

Almost surely, 2^1000023043 is an apocalyptic number.

1000023043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000023043 is an equidigital number, since it uses as much as digits as its factorization.

1000023043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 1000023043 is about 31623.1409414056. The cubic root of 1000023043 is about 1000.0076809410.

Adding to 1000023043 its reverse (3403200001), we get a palindrome (4403223044).

The spelling of 1000023043 in words is "one billion, twenty-three thousand, forty-three".