100002219923 has 2 divisors, whose sum is σ = 100002219924. Its totient is φ = 100002219922.

The previous prime is 100002219899. The next prime is 100002219973. The reversal of 100002219923 is 329912200001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100002219923 - 2⁶ = 100002219859 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (100002219973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50001109961 + 50001109962.

It is an arithmetic number, because the mean of its divisors is an integer number (50001109962).

Almost surely, 2^100002219923 is an apocalyptic number.

100002219923 is a deficient number, since it is larger than the sum of its proper divisors (1).

100002219923 is an equidigital number, since it uses as much as digits as its factorization.

100002219923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

Adding to 100002219923 its reverse (329912200001), we get a palindrome (429914419924).

The spelling of 100002219923 in words is "one hundred billion, two million, two hundred nineteen thousand, nine hundred twenty-three".