1300143123 has 16 divisors (see below), whose sum is σ = 1927754400. Its totient is φ = 866034720.

The previous prime is 1300143121. The next prime is 1300143151. The reversal of 1300143123 is 3213410031.

It is not a de Polignac number, because 1300143123 - 2¹ = 1300143121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1300143096 and 1300143105.

It is not an unprimeable number, because it can be changed into a prime (1300143121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13593 + ... + 52773.

It is an arithmetic number, because the mean of its divisors is an integer number (120484650).

Almost surely, 2^1300143123 is an apocalyptic number.

1300143123 is a deficient number, since it is larger than the sum of its proper divisors (627611277).

1300143123 is a wasteful number, since it uses less digits than its factorization.

1300143123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40419 (or 40413 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1300143123 is about 36057.4974589197. The cubic root of 1300143123 is about 1091.4329337513.

Adding to 1300143123 its reverse (3213410031), we get a palindrome (4513553154).

The spelling of 1300143123 in words is "one billion, three hundred million, one hundred forty-three thousand, one hundred twenty-three".