222131123023 has 8 divisors (see below), whose sum is σ = 222347432592. Its totient is φ = 221914921536.

The previous prime is 222131123017. The next prime is 222131123087. The reversal of 222131123023 is 320321131222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222131123023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222131122985 and 222131123003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222131123323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4436736 + ... + 4486522.

It is an arithmetic number, because the mean of its divisors is an integer number (27793429074).

Almost surely, 2^222131123023 is an apocalyptic number.

222131123023 is a deficient number, since it is larger than the sum of its proper divisors (216309569).

222131123023 is a wasteful number, since it uses less digits than its factorization.

222131123023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54041.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 222131123023 its reverse (320321131222), we get a palindrome (542452254245).

The spelling of 222131123023 in words is "two hundred twenty-two billion, one hundred thirty-one million, one hundred twenty-three thousand, twenty-three".