10120043243 has 16 divisors (see below), whose sum is σ = 10627061760. Its totient is φ = 9626990400.

The previous prime is 10120043233. The next prime is 10120043251. The reversal of 10120043243 is 34234002101.

It is a cyclic number.

It is not a de Polignac number, because 10120043243 - 2⁶ = 10120043179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10120043233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512528 + ... + 531906.

It is an arithmetic number, because the mean of its divisors is an integer number (664191360).

Almost surely, 2^10120043243 is an apocalyptic number.

10120043243 is a deficient number, since it is larger than the sum of its proper divisors (507018517).

10120043243 is a wasteful number, since it uses less digits than its factorization.

10120043243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19738.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 10120043243 its reverse (34234002101), we get a palindrome (44354045344).

The spelling of 10120043243 in words is "ten billion, one hundred twenty million, forty-three thousand, two hundred forty-three".