223412100 has 36 divisors (see below), whose sum is σ = 646406544. Its totient is φ = 59576480.

The previous prime is 223412093. The next prime is 223412107. The reversal of 223412100 is 1214322.

It is an interprime number because it is at equal distance from previous prime (223412093) and next prime (223412107).

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

It is a self number, because there is not a number n which added to its sum of digits gives 223412100.

It is not an unprimeable number, because it can be changed into a prime (223412107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 372054 + ... + 372653.

Almost surely, 2^223412100 is an apocalyptic number.

223412100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223412100 is an abundant number, since it is smaller than the sum of its proper divisors (422994444).

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

223412100 is a wasteful number, since it uses less digits than its factorization.

223412100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744724 (or 744717 counting only the distinct ones).

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

The square root of 223412100 is about 14946.9762828473. The cubic root of 223412100 is about 606.7860161812.

Adding to 223412100 its reverse (1214322), we get a palindrome (224626422).

The spelling of 223412100 in words is "two hundred twenty-three million, four hundred twelve thousand, one hundred".