4011230143 has 4 divisors (see below), whose sum is σ = 4011686248. Its totient is φ = 4010774040.

The previous prime is 4011230123. The next prime is 4011230161. The reversal of 4011230143 is 3410321104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4011230143 - 2²¹ = 4009132991 is a prime.

It is a super-2 number, since 2×4011230143² = 32179934520223600898, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4011230143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4011230123) 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, 214596 + ... + 232537.

It is an arithmetic number, because the mean of its divisors is an integer number (1002921562).

Almost surely, 2^4011230143 is an apocalyptic number.

4011230143 is a deficient number, since it is larger than the sum of its proper divisors (456105).

4011230143 is an equidigital number, since it uses as much as digits as its factorization.

4011230143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456104.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 4011230143 is about 63334.2730518003. The cubic root of 4011230143 is about 1588.8852256110.

Adding to 4011230143 its reverse (3410321104), we get a palindrome (7421551247).

The spelling of 4011230143 in words is "four billion, eleven million, two hundred thirty thousand, one hundred forty-three".