42323319 has 12 divisors (see below), whose sum is σ = 64730016. Its totient is φ = 26555712.

The previous prime is 42323291. The next prime is 42323321. The reversal of 42323319 is 91332324.

It is a happy number.

42323319 is a `hidden beast` number, since 423 + 233 + 1 + 9 = 666.

It is not a de Polignac number, because 42323319 - 2¹¹ = 42321271 is a prime.

It is a super-2 number, since 2×42323319² = 3582526662351522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42323292 and 42323301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42323329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138159 + ... + 138464.

It is an arithmetic number, because the mean of its divisors is an integer number (5394168).

Almost surely, 2^42323319 is an apocalyptic number.

42323319 is a deficient number, since it is larger than the sum of its proper divisors (22406697).

42323319 is a wasteful number, since it uses less digits than its factorization.

42323319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276646 (or 276643 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 42323319 is about 6505.6374783721. The cubic root of 42323319 is about 348.4923421583.

The spelling of 42323319 in words is "forty-two million, three hundred twenty-three thousand, three hundred nineteen".