42304263 has 16 divisors (see below), whose sum is σ = 57707520. Its totient is φ = 27559584.

The previous prime is 42304261. The next prime is 42304267. The reversal of 42304263 is 36240324.

It is a happy number.

It is not a de Polignac number, because 42304263 - 2¹ = 42304261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42304261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23545 + ... + 25277.

It is an arithmetic number, because the mean of its divisors is an integer number (3606720).

Almost surely, 2^42304263 is an apocalyptic number.

42304263 is a deficient number, since it is larger than the sum of its proper divisors (15403257).

42304263 is a wasteful number, since it uses less digits than its factorization.

42304263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 42304263 is about 6504.1727375586. The cubic root of 42304263 is about 348.4400316184.

Adding to 42304263 its reverse (36240324), we get a palindrome (78544587).

The spelling of 42304263 in words is "forty-two million, three hundred four thousand, two hundred sixty-three".