122131031223 has 8 divisors (see below), whose sum is σ = 162843466608. Its totient is φ = 81419641664.

The previous prime is 122131031207. The next prime is 122131031227. The reversal of 122131031223 is 322130131221.

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

It is a cyclic number.

It is not a de Polignac number, because 122131031223 - 2⁴ = 122131031207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122131031223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122131031227) 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, 71665 + ... + 499397.

It is an arithmetic number, because the mean of its divisors is an integer number (20355433326).

Almost surely, 2^122131031223 is an apocalyptic number.

122131031223 is a deficient number, since it is larger than the sum of its proper divisors (40712435385).

122131031223 is an equidigital number, since it uses as much as digits as its factorization.

122131031223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522913.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 122131031223 its reverse (322130131221), we get a palindrome (444261162444).

The spelling of 122131031223 in words is "one hundred twenty-two billion, one hundred thirty-one million, thirty-one thousand, two hundred twenty-three".