1023123043 has 2 divisors, whose sum is σ = 1023123044. Its totient is φ = 1023123042.

The previous prime is 1023123011. The next prime is 1023123067. The reversal of 1023123043 is 3403213201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1023123043 - 2⁵ = 1023123011 is a prime.

It is a super-2 number, since 2×1023123043² = 2093561522235159698, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1023123043.

It is not a weakly prime, because it can be changed into another prime (1023123083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511561521 + 511561522.

It is an arithmetic number, because the mean of its divisors is an integer number (511561522).

Almost surely, 2^1023123043 is an apocalyptic number.

1023123043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023123043 is an equidigital number, since it uses as much as digits as its factorization.

1023123043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1023123043 is about 31986.2946119115. The cubic root of 1023123043 is about 1007.6490242527.

Adding to 1023123043 its reverse (3403213201), we get a palindrome (4426336244).

The spelling of 1023123043 in words is "one billion, twenty-three million, one hundred twenty-three thousand, forty-three".