1423310020 has 48 divisors (see below), whose sum is σ = 3306635136. Its totient is φ = 510272000.

The previous prime is 1423310017. The next prime is 1423310047. The reversal of 1423310020 is 200133241.

It is a happy number.

It is a super-2 number, since 2×1423310020² = 4051622826064800800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1423309976 and 1423310003.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 29941 + ... + 61180.

It is an arithmetic number, because the mean of its divisors is an integer number (68888232).

Almost surely, 2^1423310020 is an apocalyptic number.

1423310020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1423310020 is an abundant number, since it is smaller than the sum of its proper divisors (1883325116).

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

1423310020 is a wasteful number, since it uses less digits than its factorization.

1423310020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91212 (or 91210 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1423310020 is about 37726.7812038080. The cubic root of 1423310020 is about 1124.8635278076.

Adding to 1423310020 its reverse (200133241), we get a palindrome (1623443261).

The spelling of 1423310020 in words is "one billion, four hundred twenty-three million, three hundred ten thousand, twenty".