223431034544 has 20 divisors (see below), whose sum is σ = 458362196424. Its totient is φ = 105144016128.

The previous prime is 223431034543. The next prime is 223431034549. The reversal of 223431034544 is 445430134322.

It is not an unprimeable number, because it can be changed into a prime (223431034543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410718542 + ... + 410719085.

Almost surely, 2^223431034544 is an apocalyptic number.

It is an amenable number.

223431034544 is an abundant number, since it is smaller than the sum of its proper divisors (234931161880).

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

223431034544 is a wasteful number, since it uses less digits than its factorization.

223431034544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821437652 (or 821437646 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 223431034544 its reverse (445430134322), we get a palindrome (668861168866).

The spelling of 223431034544 in words is "two hundred twenty-three billion, four hundred thirty-one million, thirty-four thousand, five hundred forty-four".