122123322311231 has 4 divisors (see below), whose sum is σ = 122384828355192. Its totient is φ = 121861816267272.

The previous prime is 122123322311143. The next prime is 122123322311239. The reversal of 122123322311231 is 132113223321221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122123322311231 - 2³⁰ = 122122248569407 is a prime.

It is a super-2 number, since 2×122123322311231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122123322311194 and 122123322311203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122123322311239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130753021280 + ... + 130753022213.

It is an arithmetic number, because the mean of its divisors is an integer number (30596207088798).

Almost surely, 2^{122123322311231} is an apocalyptic number.

122123322311231 is a deficient number, since it is larger than the sum of its proper divisors (261506043961).

122123322311231 is an equidigital number, since it uses as much as digits as its factorization.

122123322311231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261506043960.

The product of its digits is 5184, while the sum is 29.

Adding to 122123322311231 its reverse (132113223321221), we get a palindrome (254236545632452).

The spelling of 122123322311231 in words is "one hundred twenty-two trillion, one hundred twenty-three billion, three hundred twenty-two million, three hundred eleven thousand, two hundred thirty-one".