42303432321 has 24 divisors (see below), whose sum is σ = 61470601920. Its totient is φ = 28033980000.

The previous prime is 42303432307. The next prime is 42303432337. The reversal of 42303432321 is 12323430324.

42303432321 is a `hidden beast` number, since 4 + 2 + 303 + 4 + 32 + 321 = 666.

42303432321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42303432321 - 2⁵ = 42303432289 is a prime.

It is a super-2 number, since 2×42303432321² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42303430321) 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, 1131436 + ... + 1168226.

It is an arithmetic number, because the mean of its divisors is an integer number (2561275080).

Almost surely, 2^42303432321 is an apocalyptic number.

It is an amenable number.

42303432321 is a deficient number, since it is larger than the sum of its proper divisors (19167169599).

42303432321 is a wasteful number, since it uses less digits than its factorization.

42303432321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37557 (or 37554 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 42303432321 its reverse (12323430324), we get a palindrome (54626862645).

The spelling of 42303432321 in words is "forty-two billion, three hundred three million, four hundred thirty-two thousand, three hundred twenty-one".