123031012211033 has 4 divisors (see below), whose sum is σ = 123137902752768. Its totient is φ = 122924121669300.

The previous prime is 123031012211017. The next prime is 123031012211087. The reversal of 123031012211033 is 330112210130321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123031012211033 - 2⁴ = 123031012211017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123031012213033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53445269141 + ... + 53445271442.

It is an arithmetic number, because the mean of its divisors is an integer number (30784475688192).

Almost surely, 2^{123031012211033} is an apocalyptic number.

It is an amenable number.

123031012211033 is a deficient number, since it is larger than the sum of its proper divisors (106890541735).

123031012211033 is a wasteful number, since it uses less digits than its factorization.

123031012211033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106890541734.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 123031012211033 its reverse (330112210130321), we get a palindrome (453143222341354).

The spelling of 123031012211033 in words is "one hundred twenty-three trillion, thirty-one billion, twelve million, two hundred eleven thousand, thirty-three".