23303420 has 96 divisors (see below), whose sum is σ = 59136000. Its totient is φ = 7705152.

The previous prime is 23303419. The next prime is 23303429. The reversal of 23303420 is 2430332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23303429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 294941 + ... + 295019.

It is an arithmetic number, because the mean of its divisors is an integer number (616000).

Almost surely, 2^23303420 is an apocalyptic number.

23303420 is a gapful number since it is divisible by the number (20) 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 23303420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29568000).

23303420 is an abundant number, since it is smaller than the sum of its proper divisors (35832580).

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

23303420 is a wasteful number, since it uses less digits than its factorization.

23303420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 23303420 is about 4827.3615982232. The cubic root of 23303420 is about 285.6317983306.

Adding to 23303420 its reverse (2430332), we get a palindrome (25733752).

The spelling of 23303420 in words is "twenty-three million, three hundred three thousand, four hundred twenty".