43203030139 has 2 divisors, whose sum is σ = 43203030140. Its totient is φ = 43203030138.

The previous prime is 43203030127. The next prime is 43203030173. The reversal of 43203030139 is 93103030234.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43203030139 - 2¹¹ = 43203028091 is a prime.

It is not a weakly prime, because it can be changed into another prime (43203030109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21601515069 + 21601515070.

It is an arithmetic number, because the mean of its divisors is an integer number (21601515070).

Almost surely, 2^43203030139 is an apocalyptic number.

43203030139 is a deficient number, since it is larger than the sum of its proper divisors (1).

43203030139 is an equidigital number, since it uses as much as digits as its factorization.

43203030139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 28.

The spelling of 43203030139 in words is "forty-three billion, two hundred three million, thirty thousand, one hundred thirty-nine".