123020420431041 has 24 divisors (see below), whose sum is σ = 215027289494784. Its totient is φ = 66162242920320.

The previous prime is 123020420431033. The next prime is 123020420431043. The reversal of 123020420431041 is 140134024020321.

123020420431041 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 204 + 20 + 431 + 0 + 4 + 1 = 666.

It is not a de Polignac number, because 123020420431041 - 2³ = 123020420431033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123020420430996 and 123020420431014.

It is not an unprimeable number, because it can be changed into a prime (123020420431043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57432501465 + ... + 57432503606.

It is an arithmetic number, because the mean of its divisors is an integer number (8959470395616).

Almost surely, 2^{123020420431041} is an apocalyptic number.

It is an amenable number.

123020420431041 is a deficient number, since it is larger than the sum of its proper divisors (92006869063743).

123020420431041 is a wasteful number, since it uses less digits than its factorization.

123020420431041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114865005101 (or 114865005098 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 123020420431041 its reverse (140134024020321), we get a palindrome (263154444451362).

The spelling of 123020420431041 in words is "one hundred twenty-three trillion, twenty billion, four hundred twenty million, four hundred thirty-one thousand, forty-one".