42323201 has 2 divisors, whose sum is σ = 42323202. Its totient is φ = 42323200.

The previous prime is 42323179. The next prime is 42323207. The reversal of 42323201 is 10232324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28633201 + 13690000 = 5351^2 + 3700^2 .

It is a cyclic number.

It is not a de Polignac number, because 42323201 - 2²² = 38128897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42323201.

It is not a weakly prime, because it can be changed into another prime (42323207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21161600 + 21161601.

It is an arithmetic number, because the mean of its divisors is an integer number (21161601).

Almost surely, 2^42323201 is an apocalyptic number.

It is an amenable number.

42323201 is a deficient number, since it is larger than the sum of its proper divisors (1).

42323201 is an equidigital number, since it uses as much as digits as its factorization.

42323201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 42323201 is about 6505.6284093084. The cubic root of 42323201 is about 348.4920182854.

Adding to 42323201 its reverse (10232324), we get a palindrome (52555525).

It can be divided in two parts, 42323 and 201, that added together give a palindrome (42524).

The spelling of 42323201 in words is "forty-two million, three hundred twenty-three thousand, two hundred one".