223300443431 has 6 divisors (see below), whose sum is σ = 241798705200. Its totient is φ = 206123486088.

The previous prime is 223300443397. The next prime is 223300443437. The reversal of 223300443431 is 134344003322.

It is not a de Polignac number, because 223300443431 - 2³⁰ = 222226701607 is a prime.

It is a super-2 number, since 2×223300443431² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223300443394 and 223300443403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223300443437) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 660652031 + ... + 660652368.

It is an arithmetic number, because the mean of its divisors is an integer number (40299784200).

Almost surely, 2^223300443431 is an apocalyptic number.

223300443431 is a deficient number, since it is larger than the sum of its proper divisors (18498261769).

223300443431 is a wasteful number, since it uses less digits than its factorization.

223300443431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321304425 (or 1321304412 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 223300443431 its reverse (134344003322), we get a palindrome (357644446753).

The spelling of 223300443431 in words is "two hundred twenty-three billion, three hundred million, four hundred forty-three thousand, four hundred thirty-one".