2023421420 has 24 divisors (see below), whose sum is σ = 4251069648. Its totient is φ = 809009600.

The previous prime is 2023421399. The next prime is 2023421431. The reversal of 2023421420 is 241243202.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2023421392 and 2023421401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26375 + ... + 68865.

It is an arithmetic number, because the mean of its divisors is an integer number (177127902).

Almost surely, 2^2023421420 is an apocalyptic number.

2023421420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2023421420 is an abundant number, since it is smaller than the sum of its proper divisors (2227648228).

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

2023421420 is a wasteful number, since it uses less digits than its factorization.

2023421420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44881 (or 44879 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2023421420 is about 44982.4568026247. The cubic root of 2023421420 is about 1264.8201653462.

Adding to 2023421420 its reverse (241243202), we get a palindrome (2264664622).

The spelling of 2023421420 in words is "two billion, twenty-three million, four hundred twenty-one thousand, four hundred twenty".