1143023120 has 40 divisors (see below), whose sum is σ = 2665477464. Its totient is φ = 455841792.

The previous prime is 1143023099. The next prime is 1143023131. The reversal of 1143023120 is 213203411.

1143023120 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 71639296 + 1071383824 = 8464^2 + 32732^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5762 + ... + 48158.

Almost surely, 2^1143023120 is an apocalyptic number.

1143023120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143023120 is an abundant number, since it is smaller than the sum of its proper divisors (1522454344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1143023120 is a wasteful number, since it uses less digits than its factorization.

1143023120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42747 (or 42741 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1143023120 is about 33808.6249350665. The cubic root of 1143023120 is about 1045.5665281250.

Adding to 1143023120 its reverse (213203411), we get a palindrome (1356226531).

The spelling of 1143023120 in words is "one billion, one hundred forty-three million, twenty-three thousand, one hundred twenty".