10121243343 has 4 divisors (see below), whose sum is σ = 13494991128. Its totient is φ = 6747495560.

The previous prime is 10121243303. The next prime is 10121243347. The reversal of 10121243343 is 34334212101.

It is a happy number.

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 10121243343 - 2¹⁰ = 10121242319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121243347) 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, 1686873888 + ... + 1686873893.

It is an arithmetic number, because the mean of its divisors is an integer number (3373747782).

Almost surely, 2^10121243343 is an apocalyptic number.

10121243343 is a deficient number, since it is larger than the sum of its proper divisors (3373747785).

10121243343 is an equidigital number, since it uses as much as digits as its factorization.

10121243343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3373747784.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 10121243343 its reverse (34334212101), we get a palindrome (44455455444).

The spelling of 10121243343 in words is "ten billion, one hundred twenty-one million, two hundred forty-three thousand, three hundred forty-three".