43103272357 has 2 divisors, whose sum is σ = 43103272358. Its totient is φ = 43103272356.

The previous prime is 43103272313. The next prime is 43103272367. The reversal of 43103272357 is 75327230134.

43103272357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42403458241 + 699814116 = 205921^2 + 26454^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43103272357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43103272367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21551636178 + 21551636179.

It is an arithmetic number, because the mean of its divisors is an integer number (21551636179).

Almost surely, 2^43103272357 is an apocalyptic number.

It is an amenable number.

43103272357 is a deficient number, since it is larger than the sum of its proper divisors (1).

43103272357 is an equidigital number, since it uses as much as digits as its factorization.

43103272357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 37.

The spelling of 43103272357 in words is "forty-three billion, one hundred three million, two hundred seventy-two thousand, three hundred fifty-seven".