1143320230 has 16 divisors (see below), whose sum is σ = 2216282544. Its totient is φ = 422148960.

The previous prime is 1143320221. The next prime is 1143320251. The reversal of 1143320230 is 320233411.

It is a super-2 number, since 2×1143320230² = 2614362296654505800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1143320198 and 1143320207.

It is a congruent number.

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, 4397256 + ... + 4397515.

It is an arithmetic number, because the mean of its divisors is an integer number (138517659).

Almost surely, 2^1143320230 is an apocalyptic number.

1143320230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1143320230 is a deficient number, since it is larger than the sum of its proper divisors (1072962314).

1143320230 is a wasteful number, since it uses less digits than its factorization.

1143320230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8794791.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1143320230 is about 33813.0186466692. The cubic root of 1143320230 is about 1045.6571128658.

Adding to 1143320230 its reverse (320233411), we get a palindrome (1463553641).

The spelling of 1143320230 in words is "one billion, one hundred forty-three million, three hundred twenty thousand, two hundred thirty".