223443140431 has 8 divisors (see below), whose sum is σ = 270384976800. Its totient is φ = 180256651008.

The previous prime is 223443140423. The next prime is 223443140461. The reversal of 223443140431 is 134041344322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 223443140431 - 2³ = 223443140423 is a prime.

It is a super-2 number, since 2×223443140431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223443140393 and 223443140402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223443140461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 938836606 + ... + 938836843.

It is an arithmetic number, because the mean of its divisors is an integer number (33798122100).

Almost surely, 2^223443140431 is an apocalyptic number.

223443140431 is a deficient number, since it is larger than the sum of its proper divisors (46941836369).

223443140431 is a wasteful number, since it uses less digits than its factorization.

223443140431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877673473.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 223443140431 its reverse (134041344322), we get a palindrome (357484484753).

The spelling of 223443140431 in words is "two hundred twenty-three billion, four hundred forty-three million, one hundred forty thousand, four hundred thirty-one".