123005422123231 has 16 divisors (see below), whose sum is σ = 123370759713600. Its totient is φ = 122640379741440.

The previous prime is 123005422123223. The next prime is 123005422123357. The reversal of 123005422123231 is 132321224500321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 123005422123231 - 2³ = 123005422123223 is a prime.

It is a super-3 number, since 3×123005422123231³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123005422123193 and 123005422123202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123005422123201) 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, 14944160886 + ... + 14944169116.

It is an arithmetic number, because the mean of its divisors is an integer number (7710672482100).

Almost surely, 2^{123005422123231} is an apocalyptic number.

123005422123231 is a deficient number, since it is larger than the sum of its proper divisors (365337590369).

123005422123231 is an equidigital number, since it uses as much as digits as its factorization.

123005422123231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20994.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 123005422123231 its reverse (132321224500321), we get a palindrome (255326646623552).

The spelling of 123005422123231 in words is "one hundred twenty-three trillion, five billion, four hundred twenty-two million, one hundred twenty-three thousand, two hundred thirty-one".