42497002343 has 2 divisors, whose sum is σ = 42497002344. Its totient is φ = 42497002342.

The previous prime is 42497002321. The next prime is 42497002351. The reversal of 42497002343 is 34320079424.

42497002343 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42497002343 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 42497002297 and 42497002306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42497002313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21248501171 + 21248501172.

It is an arithmetic number, because the mean of its divisors is an integer number (21248501172).

Almost surely, 2^42497002343 is an apocalyptic number.

42497002343 is a deficient number, since it is larger than the sum of its proper divisors (1).

42497002343 is an equidigital number, since it uses as much as digits as its factorization.

42497002343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 38.

The spelling of 42497002343 in words is "forty-two billion, four hundred ninety-seven million, two thousand, three hundred forty-three".