432421320345 has 48 divisors (see below), whose sum is σ = 805075135488. Its totient is φ = 197618883840.

The previous prime is 432421320343. The next prime is 432421320371. The reversal of 432421320345 is 543023124234.

It is not a de Polignac number, because 432421320345 - 2¹ = 432421320343 is a prime.

It is a super-2 number, since 2×432421320345² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (432421320343) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2405637 + ... + 2579133.

It is an arithmetic number, because the mean of its divisors is an integer number (16772398656).

Almost surely, 2^432421320345 is an apocalyptic number.

It is an amenable number.

432421320345 is a deficient number, since it is larger than the sum of its proper divisors (372653815143).

432421320345 is a wasteful number, since it uses less digits than its factorization.

432421320345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176910 (or 176903 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 432421320345 its reverse (543023124234), we get a palindrome (975444444579).

The spelling of 432421320345 in words is "four hundred thirty-two billion, four hundred twenty-one million, three hundred twenty thousand, three hundred forty-five".