42005013223 has 4 divisors (see below), whose sum is σ = 42005729520. Its totient is φ = 42004296928.

The previous prime is 42005013221. The next prime is 42005013263. The reversal of 42005013223 is 32231050024.

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 42005013223 - 2¹ = 42005013221 is a prime.

It is a super-2 number, since 2×42005013223² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42005013194 and 42005013203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42005013221) 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, 261490 + ... + 390367.

It is an arithmetic number, because the mean of its divisors is an integer number (10501432380).

Almost surely, 2^42005013223 is an apocalyptic number.

42005013223 is a deficient number, since it is larger than the sum of its proper divisors (716297).

42005013223 is an equidigital number, since it uses as much as digits as its factorization.

42005013223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716296.

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 42005013223 its reverse (32231050024), we get a palindrome (74236063247).

The spelling of 42005013223 in words is "forty-two billion, five million, thirteen thousand, two hundred twenty-three".