123020420431022 has 32 divisors (see below), whose sum is σ = 185916303475200. Its totient is φ = 61050272119200.

The previous prime is 123020420431021. The next prime is 123020420431033. The reversal of 123020420431022 is 220134024020321.

It is a junction number, because it is equal to n+sod(n) for n = 123020420430982 and 123020420431000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123020420431021) 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, 206365247 + ... + 206960517.

It is an arithmetic number, because the mean of its divisors is an integer number (5809884483600).

Almost surely, 2^{123020420431022} is an apocalyptic number.

123020420431022 is a deficient number, since it is larger than the sum of its proper divisors (62895883044178).

123020420431022 is a wasteful number, since it uses less digits than its factorization.

123020420431022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596912.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 123020420431022 its reverse (220134024020321), we get a palindrome (343154444451343).

The spelling of 123020420431022 in words is "one hundred twenty-three trillion, twenty billion, four hundred twenty million, four hundred thirty-one thousand, twenty-two".