43223031442 has 8 divisors (see below), whose sum is σ = 64837094256. Its totient is φ = 21610666692.

The previous prime is 43223031431. The next prime is 43223031463. The reversal of 43223031442 is 24413032234.

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

It is a super-2 number, since 2×43223031442² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43223031442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358848 + ... + 463915.

It is an arithmetic number, because the mean of its divisors is an integer number (8104636782).

Almost surely, 2^43223031442 is an apocalyptic number.

43223031442 is a deficient number, since it is larger than the sum of its proper divisors (21614062814).

43223031442 is a wasteful number, since it uses less digits than its factorization.

43223031442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849032.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 43223031442 its reverse (24413032234), we get a palindrome (67636063676).

The spelling of 43223031442 in words is "forty-three billion, two hundred twenty-three million, thirty-one thousand, four hundred forty-two".