4123040543 has 4 divisors (see below), whose sum is σ = 4125402360. Its totient is φ = 4120678728.

The previous prime is 4123040539. The next prime is 4123040557. The reversal of 4123040543 is 3450403214.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3450403214 = 2 ⋅1725201607.

It is a cyclic number.

It is not a de Polignac number, because 4123040543 - 2² = 4123040539 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4123040443) 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, 1178288 + ... + 1181781.

It is an arithmetic number, because the mean of its divisors is an integer number (1031350590).

Almost surely, 2^4123040543 is an apocalyptic number.

4123040543 is a deficient number, since it is larger than the sum of its proper divisors (2361817).

4123040543 is a wasteful number, since it uses less digits than its factorization.

4123040543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2361816.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 4123040543 is about 64210.9067293088. The cubic root of 4123040543 is about 1603.5131843503.

Adding to 4123040543 its reverse (3450403214), we get a palindrome (7573443757).

The spelling of 4123040543 in words is "four billion, one hundred twenty-three million, forty thousand, five hundred forty-three".