100234426 has 4 divisors (see below), whose sum is σ = 150351642. Its totient is φ = 50117212.

The previous prime is 100234417. The next prime is 100234427. The reversal of 100234426 is 624432001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 624432001 = 15619 ⋅39979.

It can be written as a sum of positive squares in only one way, i.e., 56025225 + 44209201 = 7485^2 + 6649^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 100234397 and 100234406.

It is not an unprimeable number, because it can be changed into a prime (100234427) 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, 25058605 + ... + 25058608.

Almost surely, 2^100234426 is an apocalyptic number.

100234426 is a deficient number, since it is larger than the sum of its proper divisors (50117216).

100234426 is an equidigital number, since it uses as much as digits as its factorization.

100234426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50117215.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 100234426 is about 10011.7144385964. The cubic root of 100234426 is about 464.5213033411.

Adding to 100234426 its reverse (624432001), we get a palindrome (724666427).

The spelling of 100234426 in words is "one hundred million, two hundred thirty-four thousand, four hundred twenty-six".