42235212223 has 16 divisors (see below), whose sum is σ = 43382334240. Its totient is φ = 41105995776.

The previous prime is 42235212211. The next prime is 42235212281. The reversal of 42235212223 is 32221253224.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42235212223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42235212191 and 42235212200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42235212203) 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, 2448513 + ... + 2465701.

It is an arithmetic number, because the mean of its divisors is an integer number (2711395890).

Almost surely, 2^42235212223 is an apocalyptic number.

42235212223 is a deficient number, since it is larger than the sum of its proper divisors (1147122017).

42235212223 is a wasteful number, since it uses less digits than its factorization.

42235212223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17706.

The product of its digits is 11520, while the sum is 28.

Adding to 42235212223 its reverse (32221253224), we get a palindrome (74456465447).

The spelling of 42235212223 in words is "forty-two billion, two hundred thirty-five million, two hundred twelve thousand, two hundred twenty-three".