43401231221324 has 12 divisors (see below), whose sum is σ = 76152556103400. Its totient is φ = 21643358048928.

The previous prime is 43401231221311. The next prime is 43401231221357. The reversal of 43401231221324 is 42312213210434.

It is a happy number.

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, 14314388729 + ... + 14314391760.

It is an arithmetic number, because the mean of its divisors is an integer number (6346046341950).

Almost surely, 2^{43401231221324} is an apocalyptic number.

It is an amenable number.

43401231221324 is a deficient number, since it is larger than the sum of its proper divisors (32751324882076).

43401231221324 is a wasteful number, since it uses less digits than its factorization.

43401231221324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28628780872 (or 28628780870 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 43401231221324 its reverse (42312213210434), we get a palindrome (85713444431758).

The spelling of 43401231221324 in words is "forty-three trillion, four hundred one billion, two hundred thirty-one million, two hundred twenty-one thousand, three hundred twenty-four".