1100234143 has 2 divisors, whose sum is σ = 1100234144. Its totient is φ = 1100234142.

The previous prime is 1100234137. The next prime is 1100234171. The reversal of 1100234143 is 3414320011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1100234143 - 2¹⁷ = 1100103071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1100234143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100234123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550117071 + 550117072.

It is an arithmetic number, because the mean of its divisors is an integer number (550117072).

Almost surely, 2^1100234143 is an apocalyptic number.

1100234143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100234143 is an equidigital number, since it uses as much as digits as its factorization.

1100234143 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 1100234143 is about 33169.7775542737. Note that the first 3 decimals coincide. The cubic root of 1100234143 is about 1032.3533530369.

Adding to 1100234143 its reverse (3414320011), we get a palindrome (4514554154).

The spelling of 1100234143 in words is "one billion, one hundred million, two hundred thirty-four thousand, one hundred forty-three".