223240040432 has 20 divisors (see below), whose sum is σ = 433774066296. Its totient is φ = 111298345920.

The previous prime is 223240040431. The next prime is 223240040467. The reversal of 223240040432 is 234040042322.

It is a happy number.

It is a super-3 number, since 3×223240040432³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223240040431) 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, 20098919 + ... + 20110022.

Almost surely, 2^223240040432 is an apocalyptic number.

It is an amenable number.

223240040432 is a deficient number, since it is larger than the sum of its proper divisors (210534025864).

223240040432 is a wasteful number, since it uses less digits than its factorization.

223240040432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40209296 (or 40209290 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 223240040432 its reverse (234040042322), we get a palindrome (457280082754).

The spelling of 223240040432 in words is "two hundred twenty-three billion, two hundred forty million, forty thousand, four hundred thirty-two".