10402112243 has 4 divisors (see below), whose sum is σ = 10503103728. Its totient is φ = 10301120760.

The previous prime is 10402112221. The next prime is 10402112249. The reversal of 10402112243 is 34221120401.

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 10402112243 - 2⁸ = 10402111987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10402112249) 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, 50495588 + ... + 50495793.

It is an arithmetic number, because the mean of its divisors is an integer number (2625775932).

Almost surely, 2^10402112243 is an apocalyptic number.

10402112243 is a deficient number, since it is larger than the sum of its proper divisors (100991485).

10402112243 is a wasteful number, since it uses less digits than its factorization.

10402112243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100991484.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 10402112243 its reverse (34221120401), we get a palindrome (44623232644).

The spelling of 10402112243 in words is "ten billion, four hundred two million, one hundred twelve thousand, two hundred forty-three".