4223351231 has 16 divisors (see below), whose sum is σ = 4683389568. Its totient is φ = 3776176800.

The previous prime is 4223351221. The next prime is 4223351233. The reversal of 4223351231 is 1321533224.

It is a happy number.

It is not a de Polignac number, because 4223351231 - 2¹⁰ = 4223350207 is a prime.

It is a super-2 number, since 2×4223351231² = 35673391240778430722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4223351231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4223351233) 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, 505121 + ... + 513413.

It is an arithmetic number, because the mean of its divisors is an integer number (292711848).

Almost surely, 2^4223351231 is an apocalyptic number.

4223351231 is a deficient number, since it is larger than the sum of its proper divisors (460038337).

4223351231 is a wasteful number, since it uses less digits than its factorization.

4223351231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9062.

The product of its digits is 4320, while the sum is 26.

The square root of 4223351231 is about 64987.3159239555. The cubic root of 4223351231 is about 1616.4132441867.

Adding to 4223351231 its reverse (1321533224), we get a palindrome (5544884455).

The spelling of 4223351231 in words is "four billion, two hundred twenty-three million, three hundred fifty-one thousand, two hundred thirty-one".