123233010201121 has 4 divisors (see below), whose sum is σ = 123275256693652. Its totient is φ = 123190763708592.

The previous prime is 123233010201113. The next prime is 123233010201151. The reversal of 123233010201121 is 121102010332321.

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

It can be written as a sum of positive squares in 2 ways, for example, as 105256088594721 + 17976921606400 = 10259439^2 + 4239920^2 .

It is a cyclic number.

It is not a de Polignac number, because 123233010201121 - 2³ = 123233010201113 is a prime.

It is a super-3 number, since 3×123233010201121³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123233010201092 and 123233010201101.

It is not an unprimeable number, because it can be changed into a prime (123233010201101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21123241890 + ... + 21123247723.

It is an arithmetic number, because the mean of its divisors is an integer number (30818814173413).

Almost surely, 2^{123233010201121} is an apocalyptic number.

It is an amenable number.

123233010201121 is a deficient number, since it is larger than the sum of its proper divisors (42246492531).

123233010201121 is an equidigital number, since it uses as much as digits as its factorization.

123233010201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42246492530.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 123233010201121 its reverse (121102010332321), we get a palindrome (244335020533442).

The spelling of 123233010201121 in words is "one hundred twenty-three trillion, two hundred thirty-three billion, ten million, two hundred one thousand, one hundred twenty-one".