123020354404 has 24 divisors (see below), whose sum is σ = 218061589760. Its totient is φ = 60717406464.

The previous prime is 123020354363. The next prime is 123020354407. The reversal of 123020354404 is 404453020321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (123020354407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1382977 + ... + 1469239.

Almost surely, 2^123020354404 is an apocalyptic number.

It is an amenable number.

123020354404 is a deficient number, since it is larger than the sum of its proper divisors (95041235356).

123020354404 is a wasteful number, since it uses less digits than its factorization.

123020354404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90859 (or 90857 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 123020354404 its reverse (404453020321), we get a palindrome (527473374725).

The spelling of 123020354404 in words is "one hundred twenty-three billion, twenty million, three hundred fifty-four thousand, four hundred four".