223401320424 has 96 divisors (see below), whose sum is σ = 635225647680. Its totient is φ = 70792330752.

The previous prime is 223401320423. The next prime is 223401320449. The reversal of 223401320424 is 424023104322.

223401320424 is a `hidden beast` number, since 2 + 234 + 0 + 1 + 3 + 2 + 0 + 424 = 666.

It is not an unprimeable number, because it can be changed into a prime (223401320423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143889 + ... + 683744.

It is an arithmetic number, because the mean of its divisors is an integer number (6616933830).

Almost surely, 2^223401320424 is an apocalyptic number.

223401320424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

223401320424 is an abundant number, since it is smaller than the sum of its proper divisors (411824327256).

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

223401320424 is a wasteful number, since it uses less digits than its factorization.

223401320424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827831 (or 827824 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 223401320424 its reverse (424023104322), we get a palindrome (647424424746).

The spelling of 223401320424 in words is "two hundred twenty-three billion, four hundred one million, three hundred twenty thousand, four hundred twenty-four".