10100078243 has 2 divisors, whose sum is σ = 10100078244. Its totient is φ = 10100078242.

The previous prime is 10100078231. The next prime is 10100078309. The reversal of 10100078243 is 34287000101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10100078243 - 2⁶ = 10100078179 is a prime.

It is not a weakly prime, because it can be changed into another prime (10100078203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050039121 + 5050039122.

It is an arithmetic number, because the mean of its divisors is an integer number (5050039122).

Almost surely, 2^10100078243 is an apocalyptic number.

10100078243 is a deficient number, since it is larger than the sum of its proper divisors (1).

10100078243 is an equidigital number, since it uses as much as digits as its factorization.

10100078243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

Adding to 10100078243 its reverse (34287000101), we get a palindrome (44387078344).

The spelling of 10100078243 in words is "ten billion, one hundred million, seventy-eight thousand, two hundred forty-three".