42379223 has 2 divisors, whose sum is σ = 42379224. Its totient is φ = 42379222.

The previous prime is 42379217. The next prime is 42379301. The reversal of 42379223 is 32297324.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42379223 - 2¹⁸ = 42117079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42379223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42339223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21189611 + 21189612.

It is an arithmetic number, because the mean of its divisors is an integer number (21189612).

Almost surely, 2^42379223 is an apocalyptic number.

42379223 is a deficient number, since it is larger than the sum of its proper divisors (1).

42379223 is an equidigital number, since it uses as much as digits as its factorization.

42379223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 32.

The square root of 42379223 is about 6509.9326417406. The cubic root of 42379223 is about 348.6457134345.

The spelling of 42379223 in words is "forty-two million, three hundred seventy-nine thousand, two hundred twenty-three".