100224123 has 4 divisors (see below), whose sum is σ = 133632168. Its totient is φ = 66816080.

The previous prime is 100224121. The next prime is 100224127. The reversal of 100224123 is 321422001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100224123 - 2¹ = 100224121 is a prime.

It is a super-2 number, since 2×100224123² = 20089749662238258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100224121) 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 in 3 ways as a sum of consecutive naturals, for example, 16704018 + ... + 16704023.

It is an arithmetic number, because the mean of its divisors is an integer number (33408042).

Almost surely, 2^100224123 is an apocalyptic number.

100224123 is a deficient number, since it is larger than the sum of its proper divisors (33408045).

100224123 is an equidigital number, since it uses as much as digits as its factorization.

100224123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33408044.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 100224123 is about 10011.1998781365. The cubic root of 100224123 is about 464.5053868967.

Adding to 100224123 its reverse (321422001), we get a palindrome (421646124).

The spelling of 100224123 in words is "one hundred million, two hundred twenty-four thousand, one hundred twenty-three".