42363523 has 4 divisors (see below), whose sum is σ = 42445048. Its totient is φ = 42282000.

The previous prime is 42363511. The next prime is 42363553. The reversal of 42363523 is 32536324.

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 42363523 - 2⁹ = 42363011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42363491 and 42363500.

It is not an unprimeable number, because it can be changed into a prime (42363553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39978 + ... + 41023.

It is an arithmetic number, because the mean of its divisors is an integer number (10611262).

Almost surely, 2^42363523 is an apocalyptic number.

42363523 is a deficient number, since it is larger than the sum of its proper divisors (81525).

42363523 is an equidigital number, since it uses as much as digits as its factorization.

42363523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81524.

The product of its digits is 12960, while the sum is 28.

The square root of 42363523 is about 6508.7266803884. The cubic root of 42363523 is about 348.6026544904.

Adding to 42363523 its reverse (32536324), we get a palindrome (74899847).

It can be divided in two parts, 42363 and 523, that multiplied together give a square (22155849 = 4707²).

The spelling of 42363523 in words is "forty-two million, three hundred sixty-three thousand, five hundred twenty-three".