1143023113 has 8 divisors (see below), whose sum is σ = 1168318080. Its totient is φ = 1117998960.

The previous prime is 1143023099. The next prime is 1143023131. The reversal of 1143023113 is 3113203411.

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 1143023113 - 2¹³ = 1143014921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143023143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59158 + ... + 76063.

It is an arithmetic number, because the mean of its divisors is an integer number (146039760).

Almost surely, 2^1143023113 is an apocalyptic number.

It is an amenable number.

1143023113 is a deficient number, since it is larger than the sum of its proper divisors (25294967).

1143023113 is a wasteful number, since it uses less digits than its factorization.

1143023113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135407.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1143023113 is about 33808.6248315426. The cubic root of 1143023113 is about 1045.5665259906.

Adding to 1143023113 its reverse (3113203411), we get a palindrome (4256226524).

It can be divided in two parts, 11430 and 23113, that added together give a palindrome (34543).

The spelling of 1143023113 in words is "one billion, one hundred forty-three million, twenty-three thousand, one hundred thirteen".