23233344420 has 192 divisors, whose sum is σ = 77143643136. Its totient is φ = 5150277120.

The previous prime is 23233344391. The next prime is 23233344427. The reversal of 23233344420 is 2444333232.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (23233344427) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 905407 + ... + 930713.

It is an arithmetic number, because the mean of its divisors is an integer number (401789808).

Almost surely, 2^23233344420 is an apocalyptic number.

23233344420 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 23233344420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38571821568).

23233344420 is an abundant number, since it is smaller than the sum of its proper divisors (53910298716).

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

23233344420 is a wasteful number, since it uses less digits than its factorization.

23233344420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25450 (or 25448 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 30.

Adding to 23233344420 its reverse (2444333232), we get a palindrome (25677677652).

It can be divided in two parts, 23233 and 344420, that added together give a triangular number (367653 = T₈₅₇).

The spelling of 23233344420 in words is "twenty-three billion, two hundred thirty-three million, three hundred forty-four thousand, four hundred twenty".