100223430 has 32 divisors (see below), whose sum is σ = 241809408. Its totient is φ = 26584800.

The previous prime is 100223399. The next prime is 100223437. The reversal of 100223430 is 34322001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100223437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3016 + ... + 14475.

It is an arithmetic number, because the mean of its divisors is an integer number (7556544).

Almost surely, 2^100223430 is an apocalyptic number.

100223430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100223430 is an abundant number, since it is smaller than the sum of its proper divisors (141585978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100223430 is a wasteful number, since it uses less digits than its factorization.

100223430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17692.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 100223430 is about 10011.1652668408. The cubic root of 100223430 is about 464.5043162863.

Adding to 100223430 its reverse (34322001), we get a palindrome (134545431).

The spelling of 100223430 in words is "one hundred million, two hundred twenty-three thousand, four hundred thirty".