65223230042 has 32 divisors (see below), whose sum is σ = 101961763200. Its totient is φ = 31253479488.

The previous prime is 65223230041. The next prime is 65223230117. The reversal of 65223230042 is 24003232256.

It is a super-2 number, since 2×65223230042² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 65223229987 and 65223230014.

It is not an unprimeable number, because it can be changed into a prime (65223230041) 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, 5009513 + ... + 5022515.

It is an arithmetic number, because the mean of its divisors is an integer number (3186305100).

Almost surely, 2^65223230042 is an apocalyptic number.

65223230042 is a deficient number, since it is larger than the sum of its proper divisors (36738533158).

65223230042 is a wasteful number, since it uses less digits than its factorization.

65223230042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13670.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 65223230042 its reverse (24003232256), we get a palindrome (89226462298).

The spelling of 65223230042 in words is "sixty-five billion, two hundred twenty-three million, two hundred thirty thousand, forty-two".