42321323 has 12 divisors (see below), whose sum is σ = 46992624. Its totient is φ = 38082000.

The previous prime is 42321319. The next prime is 42321337. The reversal of 42321323 is 32312324.

42321323 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 42321323 - 2² = 42321319 is a prime.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42321295 and 42321304.

It is not an unprimeable number, because it can be changed into a prime (42321023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10490 + ... + 13952.

It is an arithmetic number, because the mean of its divisors is an integer number (3916052).

Almost surely, 2^42321323 is an apocalyptic number.

42321323 is a deficient number, since it is larger than the sum of its proper divisors (4671301).

42321323 is a wasteful number, since it uses less digits than its factorization.

42321323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3586 (or 3575 counting only the distinct ones).

The product of its digits is 864, while the sum is 20.

The square root of 42321323 is about 6505.4840711510. The cubic root of 42321323 is about 348.4868636840.

Adding to 42321323 its reverse (32312324), we get a palindrome (74633647).

It can be divided in two parts, 4232 and 1323, that added together give a palindrome (5555).

The spelling of 42321323 in words is "forty-two million, three hundred twenty-one thousand, three hundred twenty-three".