1043140123 has 2 divisors, whose sum is σ = 1043140124. Its totient is φ = 1043140122.

The previous prime is 1043140093. The next prime is 1043140141. The reversal of 1043140123 is 3210413401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1043140123 - 2⁹ = 1043139611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1043140123.

It is not a weakly prime, because it can be changed into another prime (1043140523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521570061 + 521570062.

It is an arithmetic number, because the mean of its divisors is an integer number (521570062).

Almost surely, 2^1043140123 is an apocalyptic number.

1043140123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043140123 is an equidigital number, since it uses as much as digits as its factorization.

1043140123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1043140123 is about 32297.6798392702. The cubic root of 1043140123 is about 1014.1780732248.

Adding to 1043140123 its reverse (3210413401), we get a palindrome (4253553524).

The spelling of 1043140123 in words is "one billion, forty-three million, one hundred forty thousand, one hundred twenty-three".