42340363 has 4 divisors (see below), whose sum is σ = 45597328. Its totient is φ = 39083400.

The previous prime is 42340357. The next prime is 42340367. The reversal of 42340363 is 36304324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42340363 - 2²¹ = 40243211 is a prime.

It is a super-3 number, since 3×42340363³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42340367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1628463 + ... + 1628488.

It is an arithmetic number, because the mean of its divisors is an integer number (11399332).

Almost surely, 2^42340363 is an apocalyptic number.

42340363 is a deficient number, since it is larger than the sum of its proper divisors (3256965).

42340363 is a wasteful number, since it uses less digits than its factorization.

42340363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3256964.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 42340363 is about 6506.9472873230. The cubic root of 42340363 is about 348.5391162651.

Adding to 42340363 its reverse (36304324), we get a palindrome (78644687).

The spelling of 42340363 in words is "forty-two million, three hundred forty thousand, three hundred sixty-three".