42213351523 has 8 divisors (see below), whose sum is σ = 48328621920. Its totient is φ = 36119279040.

The previous prime is 42213351511. The next prime is 42213351539. The reversal of 42213351523 is 32515331224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42213351523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42213351503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5295208 + ... + 5303173.

It is an arithmetic number, because the mean of its divisors is an integer number (6041077740).

Almost surely, 2^42213351523 is an apocalyptic number.

42213351523 is a deficient number, since it is larger than the sum of its proper divisors (6115270397).

42213351523 is a wasteful number, since it uses less digits than its factorization.

42213351523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10598957.

The product of its digits is 21600, while the sum is 31.

Adding to 42213351523 its reverse (32515331224), we get a palindrome (74728682747).

The spelling of 42213351523 in words is "forty-two billion, two hundred thirteen million, three hundred fifty-one thousand, five hundred twenty-three".