123323030131021 has 32 divisors (see below), whose sum is σ = 146073427992576. Its totient is φ = 101883360600000.

The previous prime is 123323030131019. The next prime is 123323030131027. The reversal of 123323030131021 is 120131030323321.

It is not a de Polignac number, because 123323030131021 - 2¹ = 123323030131019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123323030131027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1682612386 + ... + 1682685676.

It is an arithmetic number, because the mean of its divisors is an integer number (4564794624768).

Almost surely, 2^{123323030131021} is an apocalyptic number.

It is an amenable number.

123323030131021 is a deficient number, since it is larger than the sum of its proper divisors (22750397861555).

123323030131021 is a wasteful number, since it uses less digits than its factorization.

123323030131021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104473.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 123323030131021 its reverse (120131030323321), we get a palindrome (243454060454342).

The spelling of 123323030131021 in words is "one hundred twenty-three trillion, three hundred twenty-three billion, thirty million, one hundred thirty-one thousand, twenty-one".