100434223 has 2 divisors, whose sum is σ = 100434224. Its totient is φ = 100434222.

The previous prime is 100434211. The next prime is 100434227. The reversal of 100434223 is 322434001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100434223 - 2¹³ = 100426031 is a prime.

It is a super-2 number, since 2×100434223² = 20174066299227458, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100434223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100434227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50217111 + 50217112.

It is an arithmetic number, because the mean of its divisors is an integer number (50217112).

Almost surely, 2^100434223 is an apocalyptic number.

100434223 is a deficient number, since it is larger than the sum of its proper divisors (1).

100434223 is an equidigital number, since it uses as much as digits as its factorization.

100434223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 100434223 is about 10021.6876323302. The cubic root of 100434223 is about 464.8297414988.

Adding to 100434223 its reverse (322434001), we get a palindrome (422868224).

The spelling of 100434223 in words is "one hundred million, four hundred thirty-four thousand, two hundred twenty-three".