42343030957 has 2 divisors, whose sum is σ = 42343030958. Its totient is φ = 42343030956.

The previous prime is 42343030909. The next prime is 42343030967. The reversal of 42343030957 is 75903034324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40250791876 + 2092239081 = 200626^2 + 45741^2 .

It is a cyclic number.

It is not a de Polignac number, because 42343030957 - 2¹⁹ = 42342506669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42343030967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21171515478 + 21171515479.

It is an arithmetic number, because the mean of its divisors is an integer number (21171515479).

Almost surely, 2^42343030957 is an apocalyptic number.

It is an amenable number.

42343030957 is a deficient number, since it is larger than the sum of its proper divisors (1).

42343030957 is an equidigital number, since it uses as much as digits as its factorization.

42343030957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 40.

The spelling of 42343030957 in words is "forty-two billion, three hundred forty-three million, thirty thousand, nine hundred fifty-seven".