100420636343 has 2 divisors, whose sum is σ = 100420636344. Its totient is φ = 100420636342.

The previous prime is 100420636291. The next prime is 100420636387. The reversal of 100420636343 is 343636024001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100420636343 - 2²⁰ = 100419587767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100420636243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50210318171 + 50210318172.

It is an arithmetic number, because the mean of its divisors is an integer number (50210318172).

Almost surely, 2^100420636343 is an apocalyptic number.

100420636343 is a deficient number, since it is larger than the sum of its proper divisors (1).

100420636343 is an equidigital number, since it uses as much as digits as its factorization.

100420636343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 32.

The spelling of 100420636343 in words is "one hundred billion, four hundred twenty million, six hundred thirty-six thousand, three hundred forty-three".