100102423 has 2 divisors, whose sum is σ = 100102424. Its totient is φ = 100102422.

The previous prime is 100102421. The next prime is 100102447. The reversal of 100102423 is 324201001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100102423 - 2¹ = 100102421 is a prime.

Together with 100102421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100102421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50051211 + 50051212.

It is an arithmetic number, because the mean of its divisors is an integer number (50051212).

Almost surely, 2^100102423 is an apocalyptic number.

100102423 is a deficient number, since it is larger than the sum of its proper divisors (1).

100102423 is an equidigital number, since it uses as much as digits as its factorization.

100102423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 100102423 is about 10005.1198393622. The cubic root of 100102423 is about 464.3172977737.

Adding to 100102423 its reverse (324201001), we get a palindrome (424303424).

The spelling of 100102423 in words is "one hundred million, one hundred two thousand, four hundred twenty-three".