100423305 has 24 divisors (see below), whose sum is σ = 175231680. Its totient is φ = 53200800.

The previous prime is 100423241. The next prime is 100423327. The reversal of 100423305 is 503324001.

It is not a de Polignac number, because 100423305 - 2⁶ = 100423241 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 595 + ... + 14184.

It is an arithmetic number, because the mean of its divisors is an integer number (7301320).

Almost surely, 2^100423305 is an apocalyptic number.

100423305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100423305 is a deficient number, since it is larger than the sum of its proper divisors (74808375).

100423305 is a wasteful number, since it uses less digits than its factorization.

100423305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14941 (or 14938 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 100423305 is about 10021.1428988913. The cubic root of 100423305 is about 464.8128973233.

Adding to 100423305 its reverse (503324001), we get a palindrome (603747306).

The spelling of 100423305 in words is "one hundred million, four hundred twenty-three thousand, three hundred five".