223913424 has 80 divisors (see below), whose sum is σ = 662957568. Its totient is φ = 63793536.

The previous prime is 223913419. The next prime is 223913429. The reversal of 223913424 is 424319322.

It is an interprime number because it is at equal distance from previous prime (223913419) and next prime (223913429).

It is a junction number, because it is equal to n+sod(n) for n = 223913391 and 223913400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223913429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156199 + ... + 157625.

Almost surely, 2^223913424 is an apocalyptic number.

223913424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223913424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331478784).

223913424 is an abundant number, since it is smaller than the sum of its proper divisors (439044144).

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

223913424 is a wasteful number, since it uses less digits than its factorization.

223913424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1912 (or 1906 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 223913424 is about 14963.7369664132. The cubic root of 223913424 is about 607.2395415168.

The spelling of 223913424 in words is "two hundred twenty-three million, nine hundred thirteen thousand, four hundred twenty-four".