1023353420 has 48 divisors (see below), whose sum is σ = 2306683008. Its totient is φ = 379975680.

The previous prime is 1023353413. The next prime is 1023353423. The reversal of 1023353420 is 243533201.

1023353420 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1023353423) 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 15 ways as a sum of consecutive naturals, for example, 4205 + ... + 45435.

It is an arithmetic number, because the mean of its divisors is an integer number (48055896).

Almost surely, 2^1023353420 is an apocalyptic number.

1023353420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1023353420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1153341504).

1023353420 is an abundant number, since it is smaller than the sum of its proper divisors (1283329588).

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

1023353420 is a wasteful number, since it uses less digits than its factorization.

1023353420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41330 (or 41328 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 1023353420 is about 31989.8955922022. The cubic root of 1023353420 is about 1007.7246494799.

Adding to 1023353420 its reverse (243533201), we get a palindrome (1266886621).

The spelling of 1023353420 in words is "one billion, twenty-three million, three hundred fifty-three thousand, four hundred twenty".