42340100903 has 2 divisors, whose sum is σ = 42340100904. Its totient is φ = 42340100902.

The previous prime is 42340100809. The next prime is 42340100909. The reversal of 42340100903 is 30900104324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42340100903 - 2²⁴ = 42323323687 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42340100909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21170050451 + 21170050452.

It is an arithmetic number, because the mean of its divisors is an integer number (21170050452).

Almost surely, 2^42340100903 is an apocalyptic number.

42340100903 is a deficient number, since it is larger than the sum of its proper divisors (1).

42340100903 is an equidigital number, since it uses as much as digits as its factorization.

42340100903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The spelling of 42340100903 in words is "forty-two billion, three hundred forty million, one hundred thousand, nine hundred three".