23421305352 has 64 divisors (see below), whose sum is σ = 61184148480. Its totient is φ = 7457262912.

The previous prime is 23421305291. The next prime is 23421305389. The reversal of 23421305352 is 25350312432.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372123 + ... + 430485.

It is an arithmetic number, because the mean of its divisors is an integer number (956002320).

Almost surely, 2^23421305352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23421305352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30592074240).

23421305352 is an abundant number, since it is smaller than the sum of its proper divisors (37762843128).

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

23421305352 is a wasteful number, since it uses less digits than its factorization.

23421305352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59122 (or 59118 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 23421305352 its reverse (25350312432), we get a palindrome (48771617784).

The spelling of 23421305352 in words is "twenty-three billion, four hundred twenty-one million, three hundred five thousand, three hundred fifty-two".