42232323 has 32 divisors (see below), whose sum is σ = 68751360. Its totient is φ = 22538880.

The previous prime is 42232279. The next prime is 42232327. The reversal of 42232323 is 32323224.

It is not a de Polignac number, because 42232323 - 2¹⁴ = 42215939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 42232323.

It is not an unprimeable number, because it can be changed into a prime (42232327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17761 + ... + 19997.

It is an arithmetic number, because the mean of its divisors is an integer number (2148480).

Almost surely, 2^42232323 is an apocalyptic number.

42232323 is a deficient number, since it is larger than the sum of its proper divisors (26519037).

42232323 is a wasteful number, since it uses less digits than its factorization.

42232323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307.

The product of its digits is 1728, while the sum is 21.

The square root of 42232323 is about 6498.6400885108. The cubic root of 42232323 is about 348.2424077342.

Adding to 42232323 its reverse (32323224), we get a palindrome (74555547).

Subtracting from 42232323 its reverse (32323224), we obtain a palindrome (9909099).

The spelling of 42232323 in words is "forty-two million, two hundred thirty-two thousand, three hundred twenty-three".