223403312424 has 32 divisors (see below), whose sum is σ = 567664158240. Its totient is φ = 73246987200.

The previous prime is 223403312411. The next prime is 223403312437. The reversal of 223403312424 is 424213304322.

It is an interprime number because it is at equal distance from previous prime (223403312411) and next prime (223403312437).

It is a junction number, because it is equal to n+sod(n) for n = 223403312391 and 223403312400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76297482 + ... + 76300409.

It is an arithmetic number, because the mean of its divisors is an integer number (17739504945).

Almost surely, 2^223403312424 is an apocalyptic number.

223403312424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

223403312424 is an abundant number, since it is smaller than the sum of its proper divisors (344260845816).

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

223403312424 is a wasteful number, since it uses less digits than its factorization.

223403312424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152597961 (or 152597957 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 223403312424 its reverse (424213304322), we get a palindrome (647616616746).

The spelling of 223403312424 in words is "two hundred twenty-three billion, four hundred three million, three hundred twelve thousand, four hundred twenty-four".