1143100123 has 8 divisors (see below), whose sum is σ = 1259366256. Its totient is φ = 1028892000.

The previous prime is 1143100121. The next prime is 1143100151. The reversal of 1143100123 is 3210013411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1143100123 - 2¹ = 1143100121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1143100097 and 1143100106.

It is not an unprimeable number, because it can be changed into a prime (1143100121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513336 + ... + 515557.

It is an arithmetic number, because the mean of its divisors is an integer number (157420782).

Almost surely, 2^1143100123 is an apocalyptic number.

1143100123 is a deficient number, since it is larger than the sum of its proper divisors (116266133).

1143100123 is a wasteful number, since it uses less digits than its factorization.

1143100123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029005.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1143100123 is about 33809.7637229248. The cubic root of 1143100123 is about 1045.5900067843.

Adding to 1143100123 its reverse (3210013411), we get a palindrome (4353113534).

It can be divided in two parts, 11 and 43100123, that added together give a palindrome (43100134).

The spelling of 1143100123 in words is "one billion, one hundred forty-three million, one hundred thousand, one hundred twenty-three".