303423104020 has 48 divisors (see below), whose sum is σ = 638958776400. Its totient is φ = 121032253440.

The previous prime is 303423104003. The next prime is 303423104057. The reversal of 303423104020 is 20401324303.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 9620078724 + 293803025296 = 98082^2 + 542036^2 .

It is a junction number, because it is equal to n+sod(n) for n = 303423103982 and 303423104000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42606060 + ... + 42613180.

It is an arithmetic number, because the mean of its divisors is an integer number (13311641175).

Almost surely, 2^303423104020 is an apocalyptic number.

It is an amenable number.

303423104020 is an abundant number, since it is smaller than the sum of its proper divisors (335535672380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

303423104020 is a wasteful number, since it uses less digits than its factorization.

303423104020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12748 (or 12746 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 303423104020 its reverse (20401324303), we get a palindrome (323824428323).

The spelling of 303423104020 in words is "three hundred three billion, four hundred twenty-three million, one hundred four thousand, twenty".