22023031231230 has 64 divisors (see below), whose sum is σ = 55439099274240. Its totient is φ = 5588362745856.

The previous prime is 22023031231181. The next prime is 22023031231231. The reversal of 22023031231230 is 3213213032022.

It is a super-2 number, since 2×22023031231230² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22023031231230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22023031231231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82554490 + ... + 82820829.

It is an arithmetic number, because the mean of its divisors is an integer number (866235926160).

Almost surely, 2^{22023031231230} is an apocalyptic number.

22023031231230 is an abundant number, since it is smaller than the sum of its proper divisors (33416068043010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22023031231230 is a wasteful number, since it uses less digits than its factorization.

22023031231230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165375545.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 22023031231230 its reverse (3213213032022), we get a palindrome (25236244263252).

The spelling of 22023031231230 in words is "twenty-two trillion, twenty-three billion, thirty-one million, two hundred thirty-one thousand, two hundred thirty".