1143420063 has 4 divisors (see below), whose sum is σ = 1524560088. Its totient is φ = 762280040.

The previous prime is 1143420053. The next prime is 1143420071. The reversal of 1143420063 is 3600243411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3600243411 = 3 ⋅1200081137.

It is a cyclic number.

It is not a de Polignac number, because 1143420063 - 2³⁰ = 69678239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143420053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190570008 + ... + 190570013.

It is an arithmetic number, because the mean of its divisors is an integer number (381140022).

Almost surely, 2^1143420063 is an apocalyptic number.

1143420063 is a deficient number, since it is larger than the sum of its proper divisors (381140025).

1143420063 is an equidigital number, since it uses as much as digits as its factorization.

1143420063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381140024.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1143420063 is about 33814.4948653680. The cubic root of 1143420063 is about 1045.6875470479.

Adding to 1143420063 its reverse (3600243411), we get a palindrome (4743663474).

The spelling of 1143420063 in words is "one billion, one hundred forty-three million, four hundred twenty thousand, sixty-three".