10342156243 has 4 divisors (see below), whose sum is σ = 10345172248. Its totient is φ = 10339140240.

The previous prime is 10342156213. The next prime is 10342156249. The reversal of 10342156243 is 34265124301.

10342156243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34265124301 = 769 ⋅44558029.

It is a cyclic number.

It is not a de Polignac number, because 10342156243 - 2¹⁷ = 10342025171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10342156249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1502853 + ... + 1509718.

It is an arithmetic number, because the mean of its divisors is an integer number (2586293062).

Almost surely, 2^10342156243 is an apocalyptic number.

10342156243 is a deficient number, since it is larger than the sum of its proper divisors (3016005).

10342156243 is an equidigital number, since it uses as much as digits as its factorization.

10342156243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3016004.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 10342156243 in words is "ten billion, three hundred forty-two million, one hundred fifty-six thousand, two hundred forty-three".