321224231224043 has 24 divisors (see below), whose sum is σ = 393999000219552. Its totient is φ = 256467340652544.

The previous prime is 321224231223967. The next prime is 321224231224109. The reversal of 321224231224043 is 340422132422123.

It is not a de Polignac number, because 321224231224043 - 2²⁰ = 321224230175467 is a prime.

It is a super-2 number, since 2×321224231224043² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321224231223994 and 321224231224012.

It is not an unprimeable number, because it can be changed into a prime (321224231224343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 818288696 + ... + 818681157.

It is an arithmetic number, because the mean of its divisors is an integer number (16416625009148).

Almost surely, 2^{321224231224043} is an apocalyptic number.

321224231224043 is a deficient number, since it is larger than the sum of its proper divisors (72774768995509).

321224231224043 is a wasteful number, since it uses less digits than its factorization.

321224231224043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636969991 (or 1636969974 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 321224231224043 its reverse (340422132422123), we get a palindrome (661646363646166).

The spelling of 321224231224043 in words is "three hundred twenty-one trillion, two hundred twenty-four billion, two hundred thirty-one million, two hundred twenty-four thousand, forty-three".