4023240143 has 4 divisors (see below), whose sum is σ = 4332720168. Its totient is φ = 3713760120.

The previous prime is 4023240119. The next prime is 4023240197. The reversal of 4023240143 is 3410423204.

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 4023240143 - 2¹⁴ = 4023223759 is a prime.

It is a super-2 number, since 2×4023240143² = 32372922496493320898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4023240643) 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, 154739993 + ... + 154740018.

It is an arithmetic number, because the mean of its divisors is an integer number (1083180042).

Almost surely, 2^4023240143 is an apocalyptic number.

4023240143 is a deficient number, since it is larger than the sum of its proper divisors (309480025).

4023240143 is a wasteful number, since it uses less digits than its factorization.

4023240143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309480024.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 4023240143 is about 63429.0165697057. The cubic root of 4023240143 is about 1590.4694028295.

Adding to 4023240143 its reverse (3410423204), we get a palindrome (7433663347).

The spelling of 4023240143 in words is "four billion, twenty-three million, two hundred forty thousand, one hundred forty-three".