321420023431024 has 40 divisors (see below), whose sum is σ = 723383237760608. Its totient is φ = 135493218305280.

The previous prime is 321420023430973. The next prime is 321420023431027. The reversal of 321420023431024 is 420134320024123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321420023431027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23523121347 + ... + 23523135010.

Almost surely, 2^{321420023431024} is an apocalyptic number.

It is an amenable number.

321420023431024 is an abundant number, since it is smaller than the sum of its proper divisors (401963214329584).

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

321420023431024 is a wasteful number, since it uses less digits than its factorization.

321420023431024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47046256433 (or 47046256427 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 321420023431024 its reverse (420134320024123), we get a palindrome (741554343455147).

The spelling of 321420023431024 in words is "three hundred twenty-one trillion, four hundred twenty billion, twenty-three million, four hundred thirty-one thousand, twenty-four".