23323302420 has 144 divisors (see below), whose sum is σ = 72436762944. Its totient is φ = 5560857600.

The previous prime is 23323302391. The next prime is 23323302451. The reversal of 23323302420 is 2420332332.

It is a happy number.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 2451112 + ... + 2460608.

It is an arithmetic number, because the mean of its divisors is an integer number (503033076).

Almost surely, 2^23323302420 is an apocalyptic number.

23323302420 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 23323302420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36218381472).

23323302420 is an abundant number, since it is smaller than the sum of its proper divisors (49113460524).

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

23323302420 is a wasteful number, since it uses less digits than its factorization.

23323302420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9642 (or 9579 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 24.

Adding to 23323302420 its reverse (2420332332), we get a palindrome (25743634752).

The spelling of 23323302420 in words is "twenty-three billion, three hundred twenty-three million, three hundred two thousand, four hundred twenty".