23421402984 has 96 divisors (see below), whose sum is σ = 68329219680. Its totient is φ = 6670613376.

The previous prime is 23421402947. The next prime is 23421403003. The reversal of 23421402984 is 48920412432.

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 23 ways as a sum of consecutive naturals, for example, 341379 + ... + 404205.

It is an arithmetic number, because the mean of its divisors is an integer number (711762705).

Almost surely, 2^23421402984 is an apocalyptic number.

23421402984 is a gapful number since it is divisible by the number (24) 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 23421402984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34164609840).

23421402984 is an abundant number, since it is smaller than the sum of its proper divisors (44907816696).

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

23421402984 is a wasteful number, since it uses less digits than its factorization.

23421402984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63167 (or 63156 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

It can be divided in two parts, 2342 and 1402984, that added together give a triangular number (1405326 = T₁₆₇₆).

The spelling of 23421402984 in words is "twenty-three billion, four hundred twenty-one million, four hundred two thousand, nine hundred eighty-four".